CVE-2013-2174

mediumPriorität · verfolgen · 30EPSS 0.098 · 96. PerzentilDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
9.81% (96th) EPSS
CVSS 6.8 · medium
Is it mine?
250 products
Prüfe deine Angriffsfläche
Who says so?
6 sources
cnnvd · enisa_euvd · cert_bund · nvd

EPSS · bewertet 2026-10-27

Heap-based buffer overflow in the curl_easy_unescape function in lib/escape.c in cURL and libcurl 7.7 through 7.30.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted string ending in a "%" (percent) character.

01

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

  • Behobencurl-0:7.15.5-17.el5_9.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.15.5-17.el5_9.ppc as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.15.5-17.el5_9.s390x as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf

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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.ppc as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.s390 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobencurl-debuginfo-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    https://access.redhat.com/errata/RHSA-2013:0983
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    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.s390 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux HPC Node (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.ppc as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.s390 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
  • Behobenlibcurl-devel-0:7.19.7-37.el6_4.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

    https://access.redhat.com/errata/RHSA-2013:0983
02

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

6.8
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 8.6 · Auswirkung 6.4
v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)
v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Psecondary · Red Hat Product Security US
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

04

betroffene Produkte (250)

Betroffene Produkte und Versionsbereiche.

20 von 250 angezeigt
05

Advisories (3)

Hersteller- und Ökosystem-Meldungen dazu.

  • RHSA-2013:0983Red Hat Security Advisory: curl security update2013-06-25csaf · redhat_csafUS

    Updated curl packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

  • WID-SEC-W-2023-1657cURL: Schwachstelle ermöglicht Ausführen beliebigen Programmcodes mit den Rechten des DienstesDeutsch2013-06-24csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in cURL ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen.

  • CURL-CVE-2013-2174URL decode buffer boundary flaw2013-06-22vendor · osvUS

    libcurl is vulnerable to a case of bad checking of the input data which may lead to heap corruption. The function curl_easy_unescape() decodes URL encoded strings to raw binary data. URL encoded octets are represented with %HH combinations where HH is a two-digit hexadecimal number. The decoded string is written to an allocated memory area that the function returns to the caller. The function takes a source string and a length parameter, and if the length provided is 0 the function instead uses strlen() to figure out how much data to parse. The "%HH" parser wrongly only considered the case where a zero byte would terminate the input. If a length-limited buffer was passed in which ended with a '%' character which was followed by two hexadecimal digits outside of the buffer libcurl was allowed to parse alas without a terminating zero, libcurl would still parse that sequence as well. The counter for remaining data to handle would then be decreased too much and wrap to become a large integer and the copying would go on too long and the destination buffer that is allocated on the heap would get overwritten. We consider it unlikely that programs allow user-provided strings unfiltered into this function. Also, only the not zero-terminated input string use case is affected by this flaw. Exploiting this flaw for gain is probably possible for specific circumstances but we consider the general risk for this to be low. The curl command line tool is not affected by this problem as it does not use this function.

06

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

veröffentlicht 2013-07-31geändert 2026-06-16
09

Referenzen (28)

Externe Belege — Patches, Meldungen, Analysen.

scry

Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

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