CVE-2016-4658
CRITICAL severity · CVSS 9.8 · Memory corruption
9.8CVSS CRITICAL
Summary
xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory corruption) via a crafted XML document.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)9%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344b ↗
Additional information
- NVD record
- https://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344bPatch
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.htmlAdvisory
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.htmlAdvisory
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00010.htmlAdvisory
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.htmlAdvisory
- http://www.securityfocus.com/bid/93054Advisory
- http://www.securitytracker.com/id/1036858Advisory
- http://www.securitytracker.com/id/1038623Advisory