Google Chrome 21.0.1180.89 PDF Viewer 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 classified as critical has been found in Google Chrome 21.0.1180.89. The affected element is an unknown function of the component PDF Viewer. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2012-2895. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome 21.0.1180.89 (Web Browser). It has been rated as critical. This issue affects some unknown processing of the component PDF Viewer. 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 confidentiality, integrity, and availability. The summary by CVE is:

The PDF functionality in Google Chrome before 22.0.1229.79 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 09/25/2012 by Gynvael Coldwind and Mateusz Jurczyk (Slawomir Blazek) with Google Security Team as not defined posting (MITRE CVE) via 2012-2895. It is possible to read the advisory at cve.mitre.org. The public release was coordinated with Google. The identification of this vulnerability is CVE-2012-2895 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 $5k-$25k at the moment (estimation calculated on 12/31/2024). 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 62340 (FreeBSD : chromium -- multiple vulnerabilities (5bae2ab4-0820-11e2-be5f-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 120560 (Google Chrome Prior to 22.0.1229.79 Multiple Vulnerabilities).

Upgrading to version 22.0.1229.79 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 (62340), SecurityFocus (BID 55676†), OSVDB (85750†) and Secunia (SA50759†). Entries connected to this vulnerability are available at VDB-6550, VDB-6552, VDB-6553 and VDB-6554. 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: 7.3
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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 62340
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (5bae2ab4-0820-11e2-be5f-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 72445
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 22.0.1229.79

Timelineinfo

05/19/2012 🔍
09/25/2012 +129 days 🔍
09/25/2012 +0 days 🔍
09/25/2012 +0 days 🔍
09/26/2012 +1 days 🔍
09/26/2012 +0 days 🔍
09/27/2012 +1 days 🔍
09/27/2012 +0 days 🔍
10/01/2012 +4 days 🔍
12/31/2024 +4474 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: cve.mitre.org
Researcher: Gynvael Coldwind, Mateusz Jurczyk (Slawomir Blazek)
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2895 (🔍)
GCVE (CVE): GCVE-0-2012-2895
GCVE (VulDB): GCVE-100-6551

OVAL: 🔍

SecurityFocus: 55676
Secunia: 50759 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 85750

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

Entryinfo

Created: 10/01/2012 13:50
Updated: 12/31/2024 05:39
Changes: 10/01/2012 13:50 (77), 05/01/2018 11:28 (7), 12/31/2024 05:39 (20)
Complete: 🔍
Committer: olku
Cache ID: 216::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 ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!