National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-1833 Detail

Current 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.

Source:  MITRE
Description Last Modified:  07/27/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html Vendor Advisory
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 Vendor Advisory
https://support.apple.com/HT206566 Vendor Advisory
https://support.apple.com/HT206567 Vendor Advisory
https://support.apple.com/HT206568 Vendor Advisory
https://www.debian.org/security/2016/dsa-3593
https://www.tenable.com/security/tns-2016-18

Technical Details

Vulnerability Type (View All)

Change History

15 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-1833
NVD Published Date:
05/20/2016
NVD Last Modified:
01/04/2018