Vulnerability Monitor

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CVE-2015-3627

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.

Published

2015-05-18T15:59:14.930

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-59

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	docker	docker	≤ 1.6	Yes
Application	docker	libcontainer	≤ 1.6.0	Yes

References

http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html ([email protected])
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html ([email protected])
http://seclists.org/fulldisclosure/2015/May/28 ([email protected])
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2015/May/28 (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ (af854a3a-2127-422b-91ae-364da2661108)