Buffer overflow in X Libxfont
CVE-2013-6462
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.103 (95.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.103 · newest: 0.103 · change: 0.000
Affected products
- X Libxfont — versions 1.1.0, 1.2.0, 1.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-updates/2014-01/msg00052.html (vendor-advisory)
- lists.x.org/archives/xorg-announce/2014-January/002389.html (Vendor Advisory, mailing-list)
- www.debian.org/security/2014/dsa-2838 (vendor-advisory)
- secunia.com/advisories/56357 (third-party-advisory)
- seclists.org/oss-sec/2014/q1/33 (mailing-list)
- rhn.redhat.com/errata/RHSA-2014-0018.html (vendor-advisory)
- www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html
- secunia.com/advisories/56240 (Vendor Advisory, third-party-advisory)
- secunia.com/advisories/56336 (third-party-advisory)
- www.ubuntu.com/usn/USN-2078-1 (vendor-advisory)
Frequently asked questions
- What is CVE-2013-6462?
- CVE-2013-6462 is a vulnerability in X Libxfont, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-01-09.
- Is CVE-2013-6462 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.