CVE-2015-3629

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ permissions required
http://seclists.org/fulldisclosure/2015/May/28 third party advisory mailing list
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html vendor advisory mailing list third party advisory
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html third party advisory vdb entry
http://www.securityfocus.com/bid/74558 broken link third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-3629?
CVE-2015-3629 has been scored as a high severity vulnerability.
How to fix CVE-2015-3629?
To fix CVE-2015-3629, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3629 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-3629 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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