National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4658 Detail

Current Description

xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory corruption) via a crafted XML document.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3.0 legend)
Impact Score: 5.9
Exploitability Score: 3.9


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

CVSS v2.0 Severity and Metrics:

Base Score: 10.0 HIGH
Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
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/Sep/msg00006.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00010.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.html Mailing List Vendor Advisory
http://www.securityfocus.com/bid/93054 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036858 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038623 Third Party Advisory VDB Entry
https://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344b Patch Third Party Advisory
https://security.gentoo.org/glsa/201701-37 Third Party Advisory
https://support.apple.com/HT207141 Vendor Advisory
https://support.apple.com/HT207142 Vendor Advisory
https://support.apple.com/HT207143 Vendor Advisory
https://support.apple.com/HT207170 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
10.0
 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
10.12
 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
10.0
 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
3.0

Configuration 2 ( hide )
 cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2.9.5


Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4658
NVD Published Date:
09/25/2016
NVD Last Modified:
03/13/2019