CVE-2015-3627
First published: Mon May 18 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Docker | <=1.6 | |
| Docker Libcontainer | <=1.6.0 |
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Reference Links
- 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/#!searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
- https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ
Frequently Asked Questions
What is the severity of CVE-2015-3627?
CVE-2015-3627 is considered a high severity vulnerability due to its potential for privilege escalation.
How do I fix CVE-2015-3627?
To fix CVE-2015-3627, update Docker and Libcontainer to version 1.6.1 or later.
What types of systems are affected by CVE-2015-3627?
CVE-2015-3627 affects Docker Engine and Libcontainer versions prior to 1.6.1.
Can local users exploit CVE-2015-3627?
Yes, local users can exploit CVE-2015-3627 through a symlink attack to gain elevated privileges.
What is the impact of CVE-2015-3627 on Docker?
The impact of CVE-2015-3627 on Docker can lead to unauthorized privilege escalation for local users.
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