5.0
MEDIUM
CVE-2015-7498
Libxml2 Heap Buffer Overflow Vulnerability
Description

Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure.

INFO

Published Date :

Dec. 15, 2015, 9:59 p.m.

Last Modified :

Feb. 12, 2023, 11:15 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2015-7498 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 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_hpc_node
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-2015-7498.

URL Resource
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.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/79548
http://www.securitytracker.com/id/1034243
http://www.ubuntu.com/usn/USN-2834-1 Third Party Advisory
http://xmlsoft.org/news.html Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1281879 Issue Tracking Third Party Advisory VDB Entry
https://git.gnome.org/browse/libxml2/commit/?id=afd27c21f6b36e22682b7da20d726bce2dcb2f43
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

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-2015-7498 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-7498 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
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to crash. Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure.
    Removed CVSS V2 Metadata Access Complexity Insufficient Information
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2015:2549 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2015:2550 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2016:1089 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2015-7498 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure. A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to crash.
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added Reference https://access.redhat.com/errata/RHSA-2016:1089 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2015-7498 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:2549 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2015:2550 [No Types Assigned]
  • 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/2015-12/msg00120.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.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/79548 [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
  • Modified Analysis by [email protected]

    Aug. 25, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) 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:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* 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:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 5 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous)
    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://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.redhat.com/show_bug.cgi?id=1281879 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1281879 Third Party Advisory, VDB Entry, Issue Tracking
    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://www.ubuntu.com/usn/USN-2834-1 No Types Assigned http://www.ubuntu.com/usn/USN-2834-1 Third Party Advisory
    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
  • 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:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 2 OR *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:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) 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:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
  • 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:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 3 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* Configuration 2 OR *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:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Configuration 4 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous)
  • 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]

    Dec. 16, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *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:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:xmlsoft:libxml2:2.9.2:*:*:*:*:*:*:* (and previous) Configuration 3 OR *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Changed Reference Type http://xmlsoft.org/news.html No Types Assigned http://xmlsoft.org/news.html Advisory
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Dec. 16, 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.

1.80 }} 0.23%

score

0.86761

percentile

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