Google Chrome up to 19.0.1084.57 on Linux 64-bit XML libxml numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Google Chrome up to 19.0.1084.57 on Linux 64-bit. Affected by this issue is some unknown functionality in the library libxml of the component XML. This manipulation causes numeric error. This vulnerability is handled as CVE-2012-2807. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome up to 19.0.1084.57 on Linux 64-bit (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code in the library libxml of the component XML. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in libxml2, as used in Google Chrome before 20.0.1132.43 and other products, on 64-bit Linux platforms allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

The weakness was released 06/26/2012 by Jüri Aedla with Google Chrome Security Team as 129930 (Website). It is possible to read the advisory at code.google.com. The public release was coordinated with Google. This vulnerability is known as CVE-2012-2807 since 05/19/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 74660 (openSUSE Security Update : chromium / v8 (openSUSE-SU-2012:0813-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE 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 20.0.1132.43 eliminates this vulnerability. The upgrade is hosted for download at google.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.gnome.org. The problem might be mitigated by replacing the product with Mozilla Firefox, Microsoft Internet Explorer, Opera as an alternative. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (74660), SecurityFocus (BID 54718†), OSVDB (83266†) and Secunia (SA49724†). Additional details are provided at googlechromereleases.blogspot.de. Entries connected to this vulnerability are available at VDB-4619, VDB-4675, VDB-4996 and VDB-5407. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74660
Nessus Name: openSUSE Security Update : chromium / v8 (openSUSE-SU-2012:0813-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71498
OpenVAS Name: Debian Security Advisory DSA 2521-1 (libxml2)
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 20.0.1132.43
Patch: git.gnome.org
Alternative: Mozilla Firefox, Microsoft Internet Explorer, Opera

Timelineinfo

05/19/2012 🔍
06/26/2012 +38 days 🔍
06/26/2012 +0 days 🔍
06/26/2012 +0 days 🔍
06/26/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/27/2012 +0 days 🔍
06/13/2014 +716 days 🔍
04/28/2019 +1780 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 129930
Researcher: Jüri Aedla
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2807 (🔍)
GCVE (CVE): GCVE-0-2012-2807
GCVE (VulDB): GCVE-100-5611

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 54718 - libxml2 CVE-2012-2807 Multiple Integer Overflow Vulnerabilities
Secunia: 49724 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 83266

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/27/2012 15:17
Updated: 04/28/2019 18:31
Changes: 06/27/2012 15:17 (95), 04/28/2019 18:31 (1)
Complete: 🔍
Cache ID: 216:E48:103

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