Google Chrome 17.0.963.79 :first-letter Pseudo-Element resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Google Chrome 17.0.963.79. This affects an unknown part of the component :first-letter Pseudo-Element Handler. This manipulation causes resource management. This vulnerability is tracked as CVE-2011-3050. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome 17.0.963.79 (Web Browser). Affected by this vulnerability is an unknown code of the component :first-letter Pseudo-Element Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in Google Chrome before 17.0.963.83 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 disclosed 03/21/2012 by Christian Holler (miaubiz) with Google as 113902 (Website). The advisory is shared at code.google.com. The public release has been coordinated in cooperation with Google. This vulnerability is known as CVE-2011-3050 since 08/09/2011. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 58438 (FreeBSD : chromium -- multiple vulnerabilities (330106da-7406-11e1-a1d7-00262d5ed8ee)), 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 120502 (Apple iTunes Prior to 10.7 Multiple Vulnerabilities (APPLE-SA-2012-09-12-1)).

Upgrading to version 17.0.963.83 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. 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 X-Force (74210), Tenable (58438), SecurityFocus (BID 52674†), OSVDB (80288†) and Secunia (SA48512†). The entries VDB-4654, VDB-4645, VDB-4650 and VDB-4698 are pretty similar. 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: 9.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 9.1
VulDB Temp Score: 7.9
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: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58438
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (330106da-7406-11e1-a1d7-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71292
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 17.0.963.83
Patch: trac.webkit.org

Timelineinfo

08/09/2011 🔍
03/21/2012 +224 days 🔍
03/21/2012 +0 days 🔍
03/21/2012 +0 days 🔍
03/22/2012 +1 days 🔍
03/23/2012 +1 days 🔍
03/23/2012 +0 days 🔍
03/23/2012 +0 days 🔍
03/27/2012 +4 days 🔍
03/22/2021 +3282 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 113902
Researcher: Christian Holler (miaubiz)
Organization: Google
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2011-3050 (🔍)
GCVE (CVE): GCVE-0-2011-3050
GCVE (VulDB): GCVE-100-4897

OVAL: 🔍

X-Force: 74210 - Google Chrome letter code execution, High Risk
SecurityFocus: 52674
Secunia: 48512 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 80288
SecurityTracker: 1026841

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

Entryinfo

Created: 03/27/2012 17:48
Updated: 03/22/2021 09:52
Changes: 03/27/2012 17:48 (84), 04/25/2018 12:28 (6), 03/22/2021 09:52 (4)
Complete: 🔍
Cache ID: 216:F74:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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