CVE-2018-1102

mediumpriority · track · 36EPSS 0.024 · 84 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
2.42% (84th) EPSS
CVSS 6.5 · medium
Is it mine?
19 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-24

A flaw was found in source-to-image function as shipped with Openshift Enterprise 3.x. An improper path validation of tar files in ExtractTarStreamFromTarReader in tar/tar.go leads to privilege escalation.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)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-2019:0036
  • Fixedsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)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-2019:0036
  • Workaroundsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.src as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

  • Workaroundsource-to-image-0:1.1.13-1.el7.x86_64 as a component of Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)redhat_csaf

    Customers can turn off the source-to-image (S2I) build strategy to prevent access to the exploitable function. Information about how to disable the source-to-image build strategy is in the product documentation. * Disabling S2I in OpenShift Enterprise 3.0 - https://docs.openshift.com/enterprise/3.0/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.1 - https://docs.openshift.com/enterprise/3.1/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.2 - https://docs.openshift.com/enterprise/3.2/admin_guide/securing_builds.html#disabling-a-build-strategy-globally * Disabling S2I in OpenShift Enterprise 3.3 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.3/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.4 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.4/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.5 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.5/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.6 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.6/html/cluster_administration/admin-guide-securing-builds * Disabling S2I in OpenShift Enterprise 3.7 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.7/html/cluster_administration/admin-guide-securing-builds * OpenShift Enterprise 3.8 is not a production version (only for upgrades). * Disabling S2I in OpenShift Enterprise 3.9 - https://access.redhat.com/documentation/en-us/openshift_container_platform/3.9/html/cluster_administration/admin-guide-securing-builds

02

cvss

Technical severity, 0–10. One row per scoring source.

9.9
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.5–9.9

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4
v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.08.1highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.09.9criticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-22US
04

affected products (19)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • RHSA-2019:0036Red Hat Security Advisory: source-to-image security, bug fix, and enhancement update2019-01-08csaf · redhat_csafUS

    An update for source-to-image is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Important. 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.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdredhat_csafNVDCVE.orgMITRE
published 2018-04-30modified 2026-06-17
08

references (35)

External citations — patches, advisories, analysis.

scry

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