CVE-2015-3629: Improper Link Resolution Before File Access ('Link Following')
(updated )
Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization (“mount namespace breakout”) and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.
References
- lists.opensuse.org/opensuse-updates/2015-05/msg00023.html
- packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html
- seclists.org/fulldisclosure/2015/May/28
- www.securityfocus.com/bid/74558
- github.com/advisories/GHSA-g44j-7vp3-68cv
- github.com/docker/docker/commit/d5ebb60bddbabea0439213501f4f6ed494b23cba
- groups.google.com/forum/
- groups.google.com/forum/
- nvd.nist.gov/vuln/detail/CVE-2015-3629
- web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-3629
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