6.8
MEDIUM
CVE-2015-7942
Libxml2 Entity Injection Denial of Service
Description

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.

INFO

Published Date :

Nov. 18, 2015, 4:59 p.m.

Last Modified :

March 8, 2019, 4:06 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2015-7942 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple mac_os_x
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
1 Hp icewall_federation_agent
2 Hp icewall_file_manager
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Xmlsoft libxml2
: Total Affected Vendor : 5 | Products : 9
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-7942.

URL Resource
http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html Mailing List Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
http://marc.info/?l=bugtraq&m=145382616617563&w=2 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2549.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-2550.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/10/22/5
http://www.openwall.com/lists/oss-security/2015/10/22/8
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/79507
http://www.securitytracker.com/id/1034243
http://www.ubuntu.com/usn/USN-2812-1 Third Party Advisory
http://xmlsoft.org/news.html
https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 Exploit Issue Tracking
https://bugzilla.gnome.org/show_bug.cgi?id=756456 Exploit Issue Tracking
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 Third Party Advisory
https://security.gentoo.org/glsa/201701-37
https://support.apple.com/HT206166 Vendor Advisory
https://support.apple.com/HT206167 Vendor Advisory
https://support.apple.com/HT206168 Vendor Advisory
https://support.apple.com/HT206169 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-7942 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-7942 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Mar. 08, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:apple_tv:*:*:*:*:*:*:*:* versions from (including) 9.1 OR *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions from (including) 9.1
  • CVE Modified by [email protected]

    Sep. 14, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1034243 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-37 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2016

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 06, 2016

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html [No Types Assigned]
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 30, 2016

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2016-1089.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/79507 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 15, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
    Added Reference http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
  • Modified Analysis by [email protected]

    Aug. 31, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:* *cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous) Configuration 4 OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Configuration 5 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:*
    Changed Reference Type http://www.ubuntu.com/usn/USN-2812-1 No Types Assigned http://www.ubuntu.com/usn/USN-2812-1 Third Party Advisory
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html Third Party Advisory, Mailing List
    Changed Reference Type http://www.debian.org/security/2015/dsa-3430 No Types Assigned http://www.debian.org/security/2015/dsa-3430 Third Party Advisory
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html Third Party Advisory, Mailing List
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-2550.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-2550.html Third Party Advisory
    Changed Reference Type https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 No Types Assigned https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172 Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-2549.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-2549.html Third Party Advisory
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html Third Party Advisory, Mailing List
    Changed Reference Type http://marc.info/?l=bugtraq&m=145382616617563&w=2 No Types Assigned http://marc.info/?l=bugtraq&m=145382616617563&w=2 Third Party Advisory
    Changed Reference Type https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 Exploit https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 Issue Tracking, Exploit
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html Third Party Advisory, Mailing List
    Changed Reference Type https://bugzilla.gnome.org/show_bug.cgi?id=756456 Exploit https://bugzilla.gnome.org/show_bug.cgi?id=756456 Issue Tracking, Exploit
  • CVE Modified by [email protected]

    Aug. 20, 2016

    Action Type Old Value New Value
    Added Reference https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
  • Modified Analysis by [email protected]

    Jun. 09, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    Jun. 07, 2016

    Action Type Old Value New Value
    Added Reference http://marc.info/?l=bugtraq&m=145382616617563&w=2
  • Modified Analysis by [email protected]

    May. 20, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 13, 2016

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2015/dsa-3430
  • Modified Analysis by [email protected]

    Apr. 01, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:apple:watchos:2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:apple_tv:9.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.3:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:*
    Changed Reference Type https://support.apple.com/HT206166 No Types Assigned https://support.apple.com/HT206166 Advisory
    Changed Reference Type https://support.apple.com/HT206169 No Types Assigned https://support.apple.com/HT206169 Advisory
    Changed Reference Type https://support.apple.com/HT206168 No Types Assigned https://support.apple.com/HT206168 Advisory
    Changed Reference Type https://support.apple.com/HT206167 No Types Assigned https://support.apple.com/HT206167 Advisory
  • CVE Modified by [email protected]

    Mar. 25, 2016

    Action Type Old Value New Value
    Added Reference https://support.apple.com/HT206166
    Added Reference https://support.apple.com/HT206169
    Added Reference http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html
    Added Reference https://support.apple.com/HT206168
    Added Reference http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
    Added Reference http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html
    Added Reference https://support.apple.com/HT206167
    Added Reference http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
  • CVE Modified by [email protected]

    Dec. 17, 2015

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-2549.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-2550.html
    Added Reference http://xmlsoft.org/news.html
  • Modified Analysis by [email protected]

    Nov. 19, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Changed Reference Type https://bugzilla.gnome.org/show_bug.cgi?id=756456 No Types Assigned https://bugzilla.gnome.org/show_bug.cgi?id=756456 Exploit
    Changed Reference Type https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 No Types Assigned https://bugzilla.gnome.org/show_bug.cgi?id=744980#c8 Exploit
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Nov. 19, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.62 }} 0.05%

score

0.75932

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: