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Vulnerability Details : CVE-2016-4447

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Publish Date : 2016-06-09 Last Update Date : 2018-01-04
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:1292: libxml2 security update (Important) oval:com.redhat.rhsa:def:20161292 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-4447

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Apple Tv 9.2.1 Version Details Vulnerabilities
2 OS Apple Iphone Os 9.3.2 Version Details Vulnerabilities
3 Application Apple Itunes 12.4.1 Version Details Vulnerabilities
4 OS Apple Mac Os X 10.11.5 Version Details Vulnerabilities
5 OS Apple Watchos 2.2.1 Version Details Vulnerabilities
6 OS Canonical Ubuntu Linux 12.04 ~~lts~~~ Version Details Vulnerabilities
7 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
8 OS Canonical Ubuntu Linux 15.10 Version Details Vulnerabilities
9 OS Canonical Ubuntu Linux 16.04 ~~lts~~~ Version Details Vulnerabilities
10 OS Debian Debian Linux 7.0 Version Details Vulnerabilities
11 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
12 Application HP Icewall Federation Agent 3.0 Version Details Vulnerabilities
13 OS Oracle Vm Server 3.3 Version Details Vulnerabilities
14 OS Oracle Vm Server 3.4 Version Details Vulnerabilities
15 Application Xmlsoft Libxml2 2.9.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Apple Tv 1
Apple Iphone Os 1
Apple Itunes 1
Apple Mac Os X 1
Apple Watchos 1
Canonical Ubuntu Linux 4
Debian Debian Linux 2
HP Icewall Federation Agent 1
Oracle Vm Server 2
Xmlsoft Libxml2 1

- References For CVE-2016-4447

https://support.apple.com/HT206903 CONFIRM
https://support.apple.com/HT206902 CONFIRM
https://support.apple.com/HT206901 CONFIRM
https://support.apple.com/HT206899 CONFIRM
https://kc.mcafee.com/corporate/index?page=content&id=SB10170 CONFIRM
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
APPLE APPLE-SA-2016-07-18-4
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
APPLE APPLE-SA-2016-07-18-6
http://rhn.redhat.com/errata/RHSA-2016-2957.html
REDHAT RHSA-2016:2957
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html CONFIRM
http://xmlsoft.org/news.html CONFIRM
https://www.debian.org/security/2016/dsa-3593
DEBIAN DSA-3593
https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83 CONFIRM
http://www.ubuntu.com/usn/USN-2994-1
UBUNTU USN-2994-1
http://www.securityfocus.com/bid/90864
BID 90864 Libxml2 'xmlParseName' CVE-2016-4447 Remote Denial of Service Vulnerability Release Date:2017-12-06
https://support.apple.com/HT206904 CONFIRM
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722
SLACKWARE SSA:2016-148-01
http://www.securitytracker.com/id/1036348
SECTRACK 1036348
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html CONFIRM
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html CONFIRM
https://support.apple.com/HT206905 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709 CONFIRM
https://access.redhat.com/errata/RHSA-2016:1292
REDHAT RHSA-2016:1292
https://www.tenable.com/security/tns-2016-18 CONFIRM
http://www.openwall.com/lists/oss-security/2016/05/25/2
MLIST [oss-security] 20160525 3 libxml2 issues
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
APPLE APPLE-SA-2016-07-18-3
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
APPLE APPLE-SA-2016-07-18-1
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
APPLE APPLE-SA-2016-07-18-2

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2016-4447

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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