Google Chrome up to 17.0.963.56 Anonymous Block Splitting memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$5k-$25k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Google Chrome up to 17.0.963.56. Affected by this issue is some unknown functionality of the component Anonymous Block Splitting. The manipulation results in memory corruption. This vulnerability was named CVE-2011-3037. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome up to 17.0.963.56 (Web Browser). Affected is an unknown functionality of the component Anonymous Block Splitting. 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 confidentiality, integrity, and availability. CVE summarizes:

Google Chrome before 17.0.963.65 does not properly perform casts of unspecified variables during the splitting of anonymous blocks, which allows remote attackers to cause a denial of service or possibly have unknown other impact via a crafted document.

The weakness was presented 03/04/2012 by Chamal De Silva (miaubiz) with Google as 113439 (Website). The advisory is available at code.google.com. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2011-3037 since 08/09/2011. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a private exploit is available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/21/2021). It is expected to see the exploit prices for this product increasing in the near future.

A private exploit has been developed by miaubiz. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 58210 (FreeBSD : chromium -- multiple vulnerabilities (99aef698-66ed-11e1-8288-00262d5ed8ee)), 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 17.0.963.65 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 Tenable (58210), SecurityFocus (BID 52271†), OSVDB (79796†), Secunia (SA8265†) and SecurityTracker (ID 1026759†). See VDB-4654, VDB-4645, VDB-4650 and VDB-4702 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 58210
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (99aef698-66ed-11e1-8288-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71161
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 17.0.963.65
Patch: trac.webkit.org

Timelineinfo

08/09/2011 🔍
03/04/2012 +208 days 🔍
03/04/2012 +0 days 🔍
03/04/2012 +0 days 🔍
03/05/2012 +1 days 🔍
03/05/2012 +0 days 🔍
03/06/2012 +1 days 🔍
03/06/2012 +0 days 🔍
03/21/2021 +3302 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 113439
Researcher: Chamal De Silva (miaubiz)
Organization: Google
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2011-3037 (🔍)
GCVE (CVE): GCVE-0-2011-3037
GCVE (VulDB): GCVE-100-4698

OVAL: 🔍

X-Force: 73648
SecurityFocus: 52271 - Google Chrome Prior to 17.0.963.65 Multiple Security Vulnerabilities
Secunia: 8265 - PostNuke Phoenix SQL Injection and Directory Traversal, Highly Critical
OSVDB: 79796
SecurityTracker: 1026759

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

Entryinfo

Created: 03/06/2012 01:00
Updated: 03/21/2021 08:36
Changes: 03/06/2012 01:00 (83), 04/25/2018 12:09 (6), 03/21/2021 08:36 (3)
Complete: 🔍
Cache ID: 216:020:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!