CVE-2016-1840

MEDIUM

Description

Heap-based buffer overflow in the xmlFAParsePosCharGroup 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.

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/bulletinjul2016-3090568.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=757711

https://git.gnome.org/browse/libxml2/commit/?id=cbb271655cadeb8dbb258a64701d9a3a0c4835b4

https://kc.mcafee.com/corporate/index?page=content&id=SB10170

https://security.gentoo.org/glsa/201701-37

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

Details

Source: MITRE

Published: 2016-05-20

Updated: 2019-03-25

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH