Buffer overflow in Apple Iphone OS
CVE-2016-4447
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.140 (96.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.140 · newest: 0.140 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Itunes — versions 12.4.1
- Apple Mac OS X
- Apple tvOS
- Apple watchOS
- HP Icewall Federation Agent — versions 3.0
- Mcafee Web Gateway
- Microsoft Windows
- Oracle Vm Server — versions 3.3, 3.4
- Xmlsoft Libxml2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Third Party Advisory)
- kc.mcafee.com/corporate/index (Patch, Third Party Advisory)
- www.slackware.com/security/viewer.php (Exploit, vendor-advisory, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/90864 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2016:1292 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/05/25/2 (mailing-list, Mailing List, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- www.debian.org/security/2016/dsa-3593 (vendor-advisory, Third Party Advisory)
- lists.apple.com/archives/security-announce/2016/Jul/msg00003.html (vendor-advisory, Mailing List, Not Applicable)
- lists.apple.com/archives/security-announce/2016/Jul/msg00002.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4447?
- CVE-2016-4447 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-06-09.
- How severe is CVE-2016-4447?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-4447 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.