CVE-2020-11653
mediumPriorität · verfolgen · 31EPSS 0.022 · 82. PerzentilDEEUUSEPSS · bewertet 2026-10-27
An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Behobenvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2020:4756 - Workaroundvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-devel-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-docs-0:6.0.6-2.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.src (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debuginfo-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
- Workaroundvarnish-modules-debugsource-0:0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64 (varnish:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
An user can mitigate the problem by setting the proxy protocol to version 1 on the TLS Proxy side, as this flaw only affects the proxy protocol version 2.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (42)
Betroffene Produkte und Versionsbereiche.
- NetApp ActiveIQ Unified Manageralle Versionencert_bundDEcpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~
- varnish-software varnish cache6.0.0 → 6.0.6nvdUScpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- RHSA-2020:4756Red Hat Security Advisory: varnish:6 security, bug fix, and enhancement update2020-11-04csaf · redhat_csafUS
An update for the varnish:6 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- WID-SEC-W-2022-0193Red Hat Enterprise Linux: Mehrere SchwachstellenDeutsch2020-11-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um die Verfügbarkeit, Integrität und Vertraulichkeit zu gefährden.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (20)
Externe Belege — Patches, Meldungen, Analysen.
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.htmlcnnvd
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2022/11/msg00036.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-11653cnnvd
- https://packetstormsecurity.com/files/159872/Red-Hat-Security-Advisory-2020-4756-01.htmlcnnvd
- https://packetstormsecurity.com/files/167452/Ubuntu-Security-Notice-USN-5474-1.htmlcnnvd
- https://packetstormsecurity.com/files/168184/Ubuntu-Security-Notice-USN-5474-2.htmlcnnvd
- https://varnish-cache.org/security/VSV00005.html#vsv00005cnnvd
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