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Fencer Intel
high 7.2

CVE-2015-3627 json

Symlink Attack in Libcontainer and Docker Engine

published 11y ago modified last mo. also GHSA-g7v2-2qxx-wjrw , GO-2022-0649 , EUVD-2022-1002

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Libcontainer and Docker Engine before 1.6.1 opens the file-descriptor passed to the pid-1 process before performing the chroot, which allows local users to gain privileges via a symlink attack in an image.

Patch / fix

  • go github.com/docker/docker 1.6.1
  • docker.io Debian 14, Debian 13, Debian 12 1.6.1+dfsg1-1

debian advisories DEBIAN-CVE-2015-3627

  • docker.io Ubuntu 14.04 LTS 1.6.2~dfsg1-1ubuntu4~14.04.1

ubuntu advisories UBUNTU-CVE-2015-3627

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • docker RHEL 7 EXTRAS_OTHER 1.6.2-14.el7
  • atomic RHEL 7 EXTRAS_OTHER 0-0.40.gitf863afd.el7
  • docker-python RHEL 7 EXTRAS_OTHER 1.0.0-53.el7
  • docker-selinux RHEL 7 EXTRAS_OTHER 1.6.2-14.el7
  • docker-logrotate RHEL 7 EXTRAS_OTHER 1.6.2-14.el7
  • python-websocket-client RHEL 7 EXTRAS_OTHER 0.14.1-97.el7

red hat advisories RHBA-2015:1167

  • docker-stable SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES for SAP 15 SP3 +12 more 24.0.9_ce-150000.1.25.1
  • docker SLES for SAP 12, SLES 12 1.6.2-31.2
  • docker-stable SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 24.0.9_ce-1.20.1

suse advisories SUSE-SU-2025:03545-1SUSE-SU-2025:03540-1SUSE-SU-2015:0984-1

  • docker-stable openSUSE Tumbleweed 24.0.9_ce-15.1
  • docker openSUSE Tumbleweed 1.12.3-4.1

opensuse advisories openSUSE-SU-2025:15589-1openSUSE-SU-2024:10532-1

Is CVE-2015-3627 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3627 updated cvss 4.3

docker: insecure opening of file-descriptor 1 leading to privilege escalation

  • Red Hat Enterprise Linux 7 Extras docker 1.6.2-14.el7, docker-python 1.0.0-53.el7, docker-selinux 1.6.2-14.el7, atomic 0-0.40.gitf863afd.el7, docker-logrotate 1.6.2-14.el7, python-websocket-client 0.14.1-97.el7
    fixed: vendor fix RHBA-2015:1167

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected packages

ecosystem package affected fixed in
go github.com/docker/docker
<1.6.1
1.6.1

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.