Input validation error in libXfont - CVE-2014-0211
Published: May 15, 2014 / Updated: August 4, 2020
Vulnerability identifier: #VU33848
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2014-0211
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
libXfont
Gentoo Linux
Amazon Linux AMI
libxfont (Alpine package)
Gentoo Linux
Amazon Linux AMI
libxfont (Alpine package)
How to mitigate CVE-2014-0211
Install update from vendor's website.
libXfont - update to 1.4.8
libxfont (Alpine package) - update to 1.4.7-r1
libxfont (Alpine package) - update to 1.4.7-r1
External References
- http://advisories.mageia.org/MGASA-2014-0278.html
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00073.html
- http://lists.x.org/archives/xorg-announce/2014-May/002431.html
- http://rhn.redhat.com/errata/RHSA-2014-1893.html
- http://seclists.org/fulldisclosure/2014/Dec/23
- http://secunia.com/advisories/59154
- http://www.debian.org/security/2014/dsa-2927
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:145
- http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
- http://www.securityfocus.com/archive/1/534161/100/0/threaded
- http://www.securityfocus.com/bid/67382
- http://www.ubuntu.com/usn/USN-2211-1
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html