Vulnerability Description
Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 12.04 |
| Apple | Iphone Os | < 9.3.2 |
| Apple | Mac Os X | < 10.11.5 |
| Apple | Tvos | < 9.2.1 |
| Apple | Watchos | < 2.2.1 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.2 |
| Redhat | Enterprise Linux Server Eus | 7.2 |
| Redhat | Enterprise Linux Server Tus | 7.2 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Xmlsoft | Libxml2 | < 2.9.4 |
| Mcafee | Web Gateway | >= 7.5.0.0, <= 7.5.2.10 |
Related Weaknesses (CWE)
References
- http://lists.apple.com/archives/security-announce/2016/May/msg00001.htmlMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00002.htmlMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00003.htmlMailing ListVendor Advisory
- http://lists.apple.com/archives/security-announce/2016/May/msg00004.htmlMailing ListVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.hThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmThird Party Advisory
- http://www.securityfocus.com/bid/90691Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1035890Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory
- http://xmlsoft.org/news.htmlRelease NotesVendor Advisory
- https://access.redhat.com/errata/RHSA-2016:1292Third Party Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=763071ExploitIssue TrackingThird Party Advisory
- https://git.gnome.org/browse/libxml2/commit/?id=8fbbf5513d609c1770b391b99e33314cPatchThird Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170PatchThird Party Advisory
FAQ
What is CVE-2016-1834?
CVE-2016-1834 is a vulnerability with a CVSS score of 7.8 (HIGH). Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attack...
How severe is CVE-2016-1834?
CVE-2016-1834 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-1834?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos.