Input validation error in libXfont - CVE-2014-0211

 

Input validation error in libXfont - CVE-2014-0211

Published: May 15, 2014 / Updated: August 4, 2020


Vulnerability identifier: #VU33848
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-0211
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: X.org
Affected software:
libXfont

Detailed vulnerability description

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

Multiple integer overflows in the (1) fs_get_reply, (2) fs_alloc_glyphs, and (3) fs_read_extent_info functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary code via a crafted xfs reply, which triggers a buffer overflow.


How to mitigate CVE-2014-0211

Install update from vendor's website.

Sources