VDB-6077 · CVE-2012-2870 · BID 55331

Google Chrome 21.0.1180.83 Xpath pattern.c/functions.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Google Chrome 21.0.1180.83 (Web Browser). This issue affects the function xsltCompileLocationPathPattern/xsltGenerateIdFunction in the library libxslt of the file pattern.c/functions.c of the component Xpath Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c.

The weakness was disclosed 08/30/2012 by Nicholas Gregoire (miaubiz) with Google Security Team as stable-channel-update_30 as confirmed blog post (Website). The advisory is shared at googlechromereleases.blogspot.com. The public release has been coordinated in cooperation with Google. The identification of this vulnerability is CVE-2012-2870 since 05/19/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a private exploit are known.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 71907 (GLSA-201401-07 : libxslt: Denial of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216049 (VMWare ESXi 5.1.0 Patch Complete Update 1 Missing (KB2041632)).

Upgrading to version 21.0.1180.89 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (71907). The entries 4619, 4675, 4996 and 5407 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 71907
Nessus Name: GLSA-201401-07 : libxslt: Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 72472
OpenVAS Name: Debian Security Advisory DSA 2555-1 (libxslt)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 21.0.1180.89

Timelineinfo

05/19/2012 🔍
08/30/2012 +103 days 🔍
08/30/2012 +0 days 🔍
08/30/2012 +0 days 🔍
08/31/2012 +1 days 🔍
08/31/2012 +0 days 🔍
08/31/2012 +0 days 🔍
09/03/2012 +3 days 🔍
01/12/2014 +496 days 🔍
04/28/2019 +1932 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: stable-channel-update_30
Researcher: Nicholas Gregoire (miaubiz)
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2870 (🔍)
OVAL: 🔍
IAVM: 🔍

SecurityFocus: 55331 - Google Chrome Prior to 21.0.1180.89 Multiple Security Vulnerabilities
Secunia: 50447 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 85035

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/03/2012 12:32
Updated: 04/28/2019 07:04
Changes: 09/03/2012 12:32 (92), 04/28/2019 07:04 (1)
Complete: 🔍
Committer: olku

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