CVE-2015-3627

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-05-18 · updated 2026-06-17
Weakness: CWE-59

Description

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.

Affected products

Docker Engine: through 1.6
Docker Libcontainer: through 1.6.0

References

http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
http://seclists.org/fulldisclosure/2015/May/28
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
http://seclists.org/fulldisclosure/2015/May/28
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ

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