SB2015082802 - Input validation error in lxc (Alpine package)



SB2015082802 - Input validation error in lxc (Alpine package)

Published: August 28, 2015

Security Bulletin ID SB2015082802
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2015-1334)

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users to escape AppArmor or SELinux confinement by mounting a proc filesystem with a crafted (1) AppArmor profile or (2) SELinux label.


Remediation

Install update from vendor's website.