Google Chrome 21.0.1180.89 PDF Viewer Transfer Function Image Upsampling memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Chrome 21.0.1180.89. It has been rated as critical. Affected is the function Transfer Function Image Upsampling of the component PDF Viewer. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2012-2895. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Chrome 21.0.1180.89 (Web Browser) and classified as critical. This issue affects the function Transfer Function Image Upsampling 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 published 09/25/2012 by Matthew Jurczyk and Gynvael Coldwind (Slawomir Blazek) with Google Security Team as 146460 as confirmed advisory (Website). The advisory is shared at code.google.com. The public release has been coordinated with Google. The identification of this vulnerability is CVE-2012-2895 since 05/19/2012. The exploitation is known to be difficult. 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 $100k and more. 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 (93121†) and Secunia (SA50759†). Similar entries are available at VDB-6550, VDB-6551, VDB-6552 and VDB-6553. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
05/13/2013 +228 days 🔍
12/31/2024 +4250 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 146460
Researcher: Matthew Jurczyk, Gynvael Coldwind (Slawomir Blazek)
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2895 (🔍)
GCVE (CVE): GCVE-0-2012-2895
GCVE (VulDB): GCVE-100-8645

OVAL: 🔍

SecurityFocus: 55676
Secunia: 50759 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 93121

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

Entryinfo

Created: 05/13/2013 17:41
Updated: 12/31/2024 05:39
Changes: 05/13/2013 17:41 (76), 05/06/2018 11:17 (7), 12/31/2024 05:39 (18)
Complete: 🔍
Committer:
Cache ID: 216:D6D:103

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