Vulnerability in Apple Iphone OS
CVE-2015-5312
The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.045 (91.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Mac OS X
- Apple tvOS
- Apple watchOS
- HP Icewall Federation Agent — versions 3.0
- HP Icewall File Manager — versions 3.0
- Xmlsoft Libxml2
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.04
- Debian Linux — versions 7.0, 8.0
- Red Hat Enterprise Linux Desktop — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2015-2550.html (vendor-advisory, Third Party Advisory)
- lists.apple.com/archives/security-announce/2016/Mar/msg00004.html (vendor-advisory, Mailing List)
- lists.opensuse.org/opensuse-updates/2016-01/msg00031.html (vendor-advisory)
- support.apple.com/HT206167 (Vendor Advisory)
- support.apple.com/HT206168 (Vendor Advisory)
- www.debian.org/security/2015/dsa-3430 (vendor-advisory, Third Party Advisory)
- git.gnome.org/browse/libxml2/commit/
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- lists.apple.com/archives/security-announce/2016/Mar/msg00000.html (vendor-advisory)
- xmlsoft.org/news.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2015-5312?
- CVE-2015-5312 is a vulnerability in Apple Iphone OS, classified under CWE-399. Published 2015-12-15.
- Is CVE-2015-5312 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.