Vulnerability Details : CVE-2016-4658
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.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2016-4658
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4658
5.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4658
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2016-4658
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4658
-
https://support.apple.com/HT207142
About the security content of tvOS 10 - Apple SupportVendor Advisory
-
https://support.apple.com/HT207143
About the security content of iOS 10 - Apple SupportVendor Advisory
-
https://support.apple.com/HT207141
About the security content of watchOS 3 - Apple SupportVendor Advisory
-
http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html
Apple - Lists.apple.comMailing List;Vendor Advisory
-
http://www.securityfocus.com/bid/93054
Apple iOS/tvOS/MacOS/watchOS Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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https://security.gentoo.org/glsa/201701-37
libxml2: Multiple vulnerabilities (GLSA 201701-37) — Gentoo securityThird Party Advisory
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http://www.securitytracker.com/id/1036858
Apple macOS/OS X Multiple Flaws Let Remote and Local Users Deny Service, Obtain Potentially Sensitive Information, Execute Arbitrary Code, and Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
http://lists.apple.com/archives/security-announce/2016/Sep/msg00011.html
Apple - Lists.apple.comMailing List;Vendor Advisory
-
http://www.securitytracker.com/id/1038623
Google Android Multiple Flaws Let Remote Users Deny Service, Obtain Potentially Sensitive Information, and Execute Arbitrary Code and Let Local Apps Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
-
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
Apple - Lists.apple.comMailing List;Vendor Advisory
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https://git.gnome.org/browse/libxml2/commit/?id=c1d1f7121194036608bf555f08d3062a36fd344b
Disallow namespace nodes in XPointer ranges (c1d1f712) · Commits · GNOME / libxml2 · GitLabPatch;Third Party Advisory
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https://support.apple.com/HT207170
About the security content of macOS Sierra 10.12 - Apple SupportVendor Advisory
-
http://lists.apple.com/archives/security-announce/2016/Sep/msg00010.html
Apple - Lists.apple.comMailing List;Vendor Advisory
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