Vulnerability Details : CVE-2016-1834
Heap-based buffer overflow in the xmlStrncat 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.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Products affected by CVE-2016-1834
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*
- 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:mcafee:web_gateway:*:*:*:*:*:*:*:*
- cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*
- cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Threat overview for CVE-2016-1834
Top countries where our scanners detected CVE-2016-1834
Top open port discovered on systems with this issue
548
IPs affected by CVE-2016-1834 903
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2016-1834!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2016-1834
0.50%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-1834
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2016-1834
-
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-2016-1834
-
http://xmlsoft.org/news.html
ReleasesRelease Notes;Vendor Advisory
-
http://www.securitytracker.com/id/1035890
Apple iOS Multiple Flaws Let Remote Users Execute Arbitrary Code and Deny Service and Let Remote and Local Users Obtain Potentially Sensitive Information - SecurityTrackerThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2016:1292
RHSA-2016:1292 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-2957.html
RHSA-2016:2957 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://bugzilla.gnome.org/show_bug.cgi?id=763071
Bug 763071 – heap-buffer-overflow in xmlStrncatExploit;Issue Tracking;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-2994-1
USN-2994-1: libxml2 vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://lists.apple.com/archives/security-announce/2016/May/msg00001.html
Apple - Lists.apple.comMailing List;Vendor Advisory
-
http://lists.apple.com/archives/security-announce/2016/May/msg00002.html
Apple - Lists.apple.comMailing List;Vendor Advisory
-
https://git.gnome.org/browse/libxml2/commit/?id=8fbbf5513d609c1770b391b99e33314cd0742704
Bug 763071: heap-buffer-overflow in xmlStrncat <https://bugzilla.gnome.org/show_bug.cgi?id=763071> (8fbbf551) · Commits · GNOME / libxml2 · GitLabPatch;Third Party Advisory
-
http://www.securityfocus.com/bid/90691
Apple Mac OS X/watchOS/iOS/tvOS Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://www.tenable.com/security/tns-2016-18
[R7] LCE 4.8.1 Fixes Multiple Vulnerabilities - Security Advisory | Tenable®Third Party Advisory
-
https://www.debian.org/security/2016/dsa-3593
Debian -- Security Information -- DSA-3593-1 libxml2Third Party Advisory
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10170
McAfee Security Bulletin: McAfee Web Gateway update fixes several vulnerabilities related to xml parsingPatch;Third Party Advisory
-
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
Apple - Lists.apple.comMailing List;Vendor Advisory
-
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Oracle VM Server for x86 Bulletin - July 2016Third Party Advisory
-
http://lists.apple.com/archives/security-announce/2016/May/msg00003.html
Apple - Lists.apple.comMailing List;Vendor Advisory
-
https://support.apple.com/HT206568
About the security content of iOS 9.3.2 - Apple SupportVendor Advisory
-
https://support.apple.com/HT206567
About the security content of OS X El Capitan v10.11.5 and Security Update 2016-003 - Apple SupportVendor Advisory
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Oracle Linux Bulletin - July 2016Third Party Advisory
-
https://support.apple.com/HT206566
About the security content of watchOS 2.2.1 - Apple SupportVendor Advisory
-
https://support.apple.com/HT206564
About the security content of tvOS 9.2.1 - Apple SupportVendor Advisory
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