Vulnerability in Apple Mac OS X
CVE-2014-3660
parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted XML document containing a large number of nested entity references, a variant of the "billion laughs" attack.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.040 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Apple Mac OS X
- Xmlsoft Libxml2 — versions 2.0.0, 2.1.0, 2.1.1
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
- Debian Linux — versions 7.0
- Red Hat Enterprise Linux — versions 5.0
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- secunia.com/advisories/59903 (third-party-advisory)
- www.ncsc.nl/actueel/nieuwsberichten/kwetsbaarheid-ontdekt-in-libxml2.html
- www.debian.org/security/2014/dsa-3057 (vendor-advisory)
- support.apple.com/kb/HT205030 (Vendor Advisory)
- www.securityfocus.com/bid/70644 (vdb-entry)
- lists.opensuse.org/opensuse-updates/2014-10/msg00034.html (vendor-advisory)
- bugzilla.redhat.com/attachment.cgi
- secunia.com/advisories/61966 (third-party-advisory)
- secunia.com/advisories/61965 (third-party-advisory)
Frequently asked questions
- What is CVE-2014-3660?
- CVE-2014-3660 is a vulnerability in Apple Mac OS X. Published 2014-11-04.
- Is CVE-2014-3660 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.