Vulnerability CVE-2016-1834


Published: 2016-05-20

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.

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Xmlsoft -> Libxml2 
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server eus 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux workstation 
Mcafee -> Web gateway 
Debian -> Debian linux 
Canonical -> Ubuntu linux 
Apple -> Apple tv 
Apple -> Iphone os 
Apple -> Mac os x 
Apple -> Watchos 
Apple -> TVOS 

 References:
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
http://rhn.redhat.com/errata/RHSA-2016-2957.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/90691
http://www.securitytracker.com/id/1035890
http://www.ubuntu.com/usn/USN-2994-1
http://xmlsoft.org/news.html
https://access.redhat.com/errata/RHSA-2016:1292
https://bugzilla.gnome.org/show_bug.cgi?id=763071
https://git.gnome.org/browse/libxml2/commit/?id=8fbbf5513d609c1770b391b99e33314cd0742704
https://kc.mcafee.com/corporate/index?page=content&id=SB10170
https://support.apple.com/HT206564
https://support.apple.com/HT206566
https://support.apple.com/HT206567
https://support.apple.com/HT206568
https://www.debian.org/security/2016/dsa-3593
https://www.tenable.com/security/tns-2016-18

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