Google Chrome 21.0.1180.83 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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Google Chrome 21.0.1180.83. Affected is an unknown function. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2012-2856. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome 21.0.1180.83 (Web Browser) and classified as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

The PDF functionality in Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that trigger out-of-bounds write operations.

The weakness was released 08/30/2012 by Nicolas Gregoire (miaubiz) with Google Security Team as stable-channel-update_30 as not defined blog post (Website). It is possible to read the advisory at googlechromereleases.blogspot.ch. The public release was coordinated with Google. The identification of this vulnerability is CVE-2012-2856 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 private exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/29/2018). It is expected to see the exploit prices for this product increasing in the near future.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 61505 (FreeBSD : chromium -- multiple vulnerabilities (ce84e136-e2f6-11e1-a8ca-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.

Upgrading to version 21.0.1180.89 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 (61505), SecurityFocus (BID 55331†), OSVDB (85030†) and Secunia (SA50447†). Entries connected to this vulnerability are available at VDB-5884, VDB-5886, VDB-5887 and VDB-5888. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 61505
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (ce84e136-e2f6-11e1-a8ca-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71505
OpenVAS Name: FreeBSD Ports: chromium
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 21.0.1180.89
Patch: trac.webkit.org

Timelineinfo

05/19/2012 🔍
08/06/2012 +79 days 🔍
08/13/2012 +7 days 🔍
08/30/2012 +17 days 🔍
08/30/2012 +0 days 🔍
08/30/2012 +0 days 🔍
08/31/2012 +1 days 🔍
08/31/2012 +0 days 🔍
09/03/2012 +3 days 🔍
04/29/2018 +2064 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: stable-channel-update_30
Researcher: Nicolas Gregoire (miaubiz)
Organization: Google Security Team
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2856 (🔍)
GCVE (CVE): GCVE-0-2012-2856
GCVE (VulDB): GCVE-100-6071

OVAL: 🔍

SecurityFocus: 55331 - Google Chrome Prior to 21.0.1180.89 Multiple Security Vulnerabilities
Secunia: 50447 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 85030

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

Entryinfo

Created: 09/03/2012 10:34
Updated: 04/29/2018 10:31
Changes: 09/03/2012 10:34 (78), 04/29/2018 10:31 (7)
Complete: 🔍
Committer: olku
Cache ID: 216:2E6:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!