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Vulnerability Details : CVE-2015-7942

The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941.
Publish Date : 2015-11-18 Last Update Date : 2017-09-13
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified 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-2015:2549: libxml2 security update (Moderate) oval:com.redhat.rhsa:def:20152549 unix
RHSA-2015:2550: libxml2 security update (Moderate) oval:com.redhat.rhsa:def:20152550 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-2015-7942

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Apple Tv 9.1 Version Details Vulnerabilities
2 OS Apple Iphone Os 9.2.1 Version Details Vulnerabilities
3 OS Apple Mac Os X 10.11.3 Version Details Vulnerabilities
4 OS Apple Watchos 2.1 Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 12.04 ~~lts~~~ Version Details Vulnerabilities
6 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
7 OS Canonical Ubuntu Linux 15.04 Version Details Vulnerabilities
8 OS Canonical Ubuntu Linux 15.10 Version Details Vulnerabilities
9 OS Debian Debian Linux 7.0 Version Details Vulnerabilities
10 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
11 Application HP Icewall Federation Agent 3.0 Version Details Vulnerabilities
12 Application HP Icewall File Manager 3.0 Version Details Vulnerabilities
13 Application Xmlsoft Libxml2 2.9.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

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

- References For CVE-2015-7942

http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
SUSE openSUSE-SU-2015:2372
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
APPLE APPLE-SA-2016-03-21-1
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
SUSE openSUSE-SU-2016:0106
https://support.apple.com/HT206169 CONFIRM
https://support.apple.com/HT206167 CONFIRM
https://support.apple.com/HT206168 CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-1089.html
REDHAT RHSA-2016:1089
http://www.debian.org/security/2015/dsa-3430
DEBIAN DSA-3430
http://www.openwall.com/lists/oss-security/2015/10/22/5
MLIST [oss-security] 20151022 Crafted xml causes out of bound memory access - Libxml2
http://www.openwall.com/lists/oss-security/2015/10/22/8
MLIST [oss-security] 20151022 Re: Crafted xml causes out of bound memory access - Libxml2
http://xmlsoft.org/news.html CONFIRM
https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 CONFIRM
https://support.apple.com/HT206166 CONFIRM
https://security.gentoo.org/glsa/201701-37
GENTOO GLSA-201701-37
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html CONFIRM
https://bugzilla.gnome.org/show_bug.cgi?id=756456 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 CONFIRM
http://www.securityfocus.com/bid/79507
BID 79507 Libxml2 'xmlParseConditionalSections()' Function Denial of Service Vulnerability Release Date:2016-07-22
http://www.securitytracker.com/id/1034243
SECTRACK 1034243
http://www.ubuntu.com/usn/USN-2812-1
UBUNTU USN-2812-1
http://rhn.redhat.com/errata/RHSA-2015-2550.html
REDHAT RHSA-2015:2550
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
APPLE APPLE-SA-2016-03-21-3
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html CONFIRM
http://rhn.redhat.com/errata/RHSA-2015-2549.html
REDHAT RHSA-2015:2549
http://marc.info/?l=bugtraq&m=145382616617563&w=2
HP HPSBGN03537
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
APPLE APPLE-SA-2016-03-21-5
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html
FEDORA FEDORA-2016-a9ee80b01d
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html
FEDORA FEDORA-2016-189a7bf68c
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
APPLE APPLE-SA-2016-03-21-2

- Metasploit Modules Related To CVE-2015-7942

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


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