XMLSoft libxml2 up to 2.5.6 parser.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in XMLSoft libxml2 up to 2.5.6 (Document Processing Software). It has been classified as problematic. This affects some unknown processing of the file parser.c of the component libxml2. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:

parser.c in libxml2 before 2.9.0, as used in Google Chrome before 28.0.1500.71 and other products, allows remote attackers to cause a denial of service (out-of-bounds read) via a document that ends abruptly, related to the lack of certain checks for the XML_PARSER_EOF state.

The weakness was published 07/10/2013 by Antoine Delignat-Lavaud (danguafer) with Google Security Team (Website). It is possible to read the advisory at xmlsoft.org. This vulnerability is uniquely identified as CVE-2013-2877 since 04/11/2013. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 74094 (CentOS 6 : libxml2 (CESA-2014:0513)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195411 (Ubuntu Security Notification for Libxml2 Regression (USN-1904-2)).

Upgrading to version 2.5.7 eliminates this vulnerability. A possible mitigation has been published 12 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (74094). Similar entries are available at 7835, 9451, 9452 and 9453.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 74094
Nessus Name: CentOS 6 : libxml2 (CESA-2014:0513)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Nessus Port: 🔍

OpenVAS ID: 892724
OpenVAS Name: Debian Security Advisory DSA 2724-1 (chromium-browser - several vulnerabilities
OpenVAS File: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Upgrade: libxml2 2.5.7
Patch: e5d7f7e5dc21d3ae7be3cbb949ac4d8701e06de1

Timelineinfo

04/11/2013 🔍
07/09/2013 +89 days 🔍
07/10/2013 +1 days 🔍
07/10/2013 +0 days 🔍
07/16/2013 +6 days 🔍
05/19/2014 +307 days 🔍
05/20/2014 +1 days 🔍
03/24/2015 +308 days 🔍
01/03/2022 +2477 days 🔍

Sourcesinfo

Advisory: RHSA-2014:0513
Researcher: Antoine Delignat-Lavaud (danguafer)
Organization: Google Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-2877 (🔍)
OVAL: 🔍
IAVM: 🔍

SecurityFocus: 61041 - RETIRED: Google Chrome Prior to 28.0.1500.71 Multiple Security Vulnerabilities
Secunia: 54172 - Ubuntu update for libxml2, Less Critical

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/03/2022 16:06
Changes: 03/24/2015 15:54 (82), 04/24/2019 00:59 (2), 01/03/2022 16:00 (5), 01/03/2022 16:06 (1)
Complete: 🔍

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