Google Chrome 20.0.1132.57 PDF Viewer JP2 Decoding numeric error

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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome 20.0.1132.57. This issue affects the function JP2 Decoding of the component PDF Viewer. The manipulation leads to numeric error. This vulnerability is traded as CVE-2012-2851. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome 20.0.1132.57 (Web Browser). It has been rated as critical. This issue affects the function JP2 Decoding of the component PDF Viewer. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

Multiple integer overflows in 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, allow remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document.

The weakness was shared 07/31/2012 by Mateusz Jurczyk and Gynvael Coldwind (Trev) with Google Security Team as not defined mailinglist post (Website). It is possible to read the advisory at srware.net. The vendor cooperated in the coordination of the public release. The identification of this vulnerability is CVE-2012-2851 since 05/19/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. 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.

Upgrading to version 21.0.1180.57 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. 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 54749†), OSVDB (93115†), Secunia (SA50105†) and Vulnerability Center (SBV-35901†). The entries VDB-5884, VDB-5885, VDB-5886 and VDB-5887 are related to this item. 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: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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

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: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 21.0.1180.57

Timelineinfo

05/19/2012 🔍
06/08/2012 +20 days 🔍
07/31/2012 +53 days 🔍
07/31/2012 +0 days 🔍
07/31/2012 +0 days 🔍
08/01/2012 +1 days 🔍
08/06/2012 +5 days 🔍
08/16/2012 +10 days 🔍
05/13/2013 +270 days 🔍
05/10/2021 +2919 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: srware.net
Researcher: Mateusz Jurczyk, Gynvael Coldwind (Trev)
Organization: Google Security Team
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2851 (🔍)
GCVE (CVE): GCVE-0-2012-2851
GCVE (VulDB): GCVE-100-8639

OVAL: 🔍

SecurityFocus: 54749 - Google Chrome Prior to 21 Multiple Security Vulnerabilities
Secunia: 50105 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 93115
Vulnerability Center: 35901 - Google Chrome Before 21.0.1180.60 Multiple Integer Overflows PDF Related Vulnerabilities, Medium

See also: 🔍

Entryinfo

Created: 05/13/2013 17:14
Updated: 05/10/2021 16:06
Changes: 05/13/2013 17:14 (77), 04/15/2017 16:35 (9), 05/10/2021 16:06 (3)
Complete: 🔍
Committer:
Cache ID: 216:7AB:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!