Google Chrome up to 19.0.1084.57 First-Letter resource management

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

Summaryinfo

A vulnerability has been found in Google Chrome up to 19.0.1084.57 and classified as critical. This issue affects some unknown processing of the component First-Letter Handler. The manipulation leads to resource management. This vulnerability is listed as CVE-2012-2829. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome up to 19.0.1084.57 (Web Browser) and classified as critical. This issue affects an unknown part of the component First-Letter 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 confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in Google Chrome before 20.0.1132.43 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the :first-letter pseudo-element.

The weakness was presented 06/26/2012 by Dharani Govindan (miaubiz) with Chromium Development Community as 129947 (Website). It is possible to read the advisory at code.google.com. The public release was coordinated in cooperation with Google. The identification of this vulnerability is CVE-2012-2829 since 05/19/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

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 59750 (FreeBSD : chromium -- multiple vulnerabilities (ff922811-c096-11e1-b0f4-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120542 (Apple Safari Prior to 6.0.1 Multiple Vulnerabilities (APPLE-SA-2012-09-19-3)).

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 trac.webkit.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 (59750), SecurityFocus (BID 54203†), OSVDB (83256†), Secunia (SA49724†) and SecurityTracker (ID 1027525†). googlechromereleases.blogspot.de is providing further details. See VDB-5450, VDB-5585, VDB-5586 and VDB-5587 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for 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: Resource management
CWE: CWE-399 / CWE-404
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: 59750
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (ff922811-c096-11e1-b0f4-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71529
OpenVAS Name: FreeBSD Ports: chromium
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: trac.webkit.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 🔍
06/28/2012 +1 days 🔍
09/13/2012 +77 days 🔍
04/27/2018 +2052 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 129947
Researcher: Dharani Govindan (miaubiz)
Organization: Chromium Development Community
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2829 (🔍)
GCVE (CVE): GCVE-0-2012-2829
GCVE (VulDB): GCVE-100-5603

OVAL: 🔍

SecurityFocus: 54203 - Google Chrome Prior to 20.0.1132.43 Multiple Security Vulnerabilities
Secunia: 49724 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 83256
SecurityTracker: 1027525

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/27/2012 15:17
Updated: 04/27/2018 09:26
Changes: 06/27/2012 15:17 (88), 04/27/2018 09:26 (6)
Complete: 🔍
Cache ID: 216:B67:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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