Buffer overflow in Xmlsoft Libxml2
CVE-2013-0338
libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, aka "internal entity expansion" with linear complexity.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.029 (86.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Xmlsoft Libxml2 — versions 1.7.0, 1.7.1, 1.7.2
- Canonical Ubuntu Linux — versions 8.04, 10.04, 11.10
- openSUSE — versions 12.1, 12.2, 12.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/52662 (third-party-advisory)
- lists.opensuse.org/opensuse-updates/2013-03/msg00114.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- lists.opensuse.org/opensuse-updates/2013-03/msg00112.html (vendor-advisory)
- marc.info/ (vendor-advisory)
- www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- www.debian.org/security/2013/dsa-2652 (vendor-advisory)
- secunia.com/advisories/55568 (third-party-advisory)
- git.gnome.org/browse/libxml2/commit/
Frequently asked questions
- What is CVE-2013-0338?
- CVE-2013-0338 is a vulnerability in Xmlsoft Libxml2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2013-04-25.
- Is CVE-2013-0338 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.