Permissions, Privileges, and Access Controls in LXS - CVE-2013-6441

 

Permissions, Privileges, and Access Controls in LXS - CVE-2013-6441

Published: February 14, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU42039
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2013-6441
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Containers
Affected software:
LXS

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The lxc-sshd template (templates/lxc-sshd.in) in LXC before 1.0.0.beta2 uses read-write permissions when mounting /sbin/init, which allows local users to gain privileges by modifying the init file.


How to mitigate CVE-2013-6441

Install update from vendor's website.

Sources