CVE-2016-1833 Information

Description

The htmlCurrentChar 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 cause a denial of service (heap-based buffer over-read) via a crafted XML document.

CVSS Vector

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

Reference

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://bugs.chromium.org/p/project-zero/issues/detail?id=636 https://bugzilla.gnome.org/show_bug.cgi?id=758606 https://git.gnome.org/browse/libxml2/commit/?id=0bcd05c5cd83dec3406c8f68b769b1d610c72f76 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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5