PT-2015-5222 · Linux Containers · Lxcfs

Serge Hallyn · Published 2015-12-07 · Updated 2015-12-08 · CVE-2015-1342

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions LXCFS versions prior to 0.12

Description The issue is related to the improper enforcement of directory escapes in LXCFS, which could potentially allow local users to gain privileges. This can be achieved by either querying or updating a cgroup.

Recommendations For versions prior to 0.12, update to version 0.12 or later to resolve the issue.

Exploit

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2015-1342

Affected Products

Lxcfs

References · 4

• 🔥 https://bugs.launchpad.net/ubuntu/+source/lxcfs/+bug/1508481 · Exploit
• http://ubuntu.com/usn/USN-2813-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-1342 · Security Note
• https://github.com/lxc/lxcfs/commit/a8b6c3e0537e90fba3c55910fd1b7229d54a60a7 · Note