Google Chrome 21.0.1180.74 PDF Viewer memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$5k-$25k0.00

A vulnerability, which was classified as critical, has been found in Google Chrome 21.0.1180.74 (Web Browser). Affected by this issue is some unknown functionality 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. CVE summarizes:

The PDF functionality in Google Chrome before 21.0.1180.75 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 shared 08/08/2012 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as 136968 (Website). The advisory is shared for download at code.google.com. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2012-2863 since 05/19/2012. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a private exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/27/2021). 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 61502 (FreeBSD : chromium -- multiple vulnerabilities (60bbe12c-e2c1-11e1-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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120405 (Google Chrome Prior to 21.0.1180.75 Multiple Vulnerabilities).

Upgrading to version 21.0.1180.75 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 X-Force (77523) and Tenable (61502). googlechromereleases.blogspot.com is providing further details. The entry 5925 is related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 61502
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (60bbe12c-e2c1-11e1-a8ca-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71504
OpenVAS Name: FreeBSD Ports: chromium
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Chrome 21.0.1180.75

Timelineinfo

05/19/2012 🔍
08/08/2012 +81 days 🔍
08/08/2012 +0 days 🔍
08/08/2012 +0 days 🔍
08/08/2012 +0 days 🔍
08/09/2012 +1 days 🔍
08/09/2012 +0 days 🔍
08/09/2012 +0 days 🔍
08/15/2012 +6 days 🔍
08/19/2012 +4 days 🔍
03/27/2021 +3142 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 136968
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-2863 (🔍)
OVAL: 🔍

X-Force: 77523
Vulnerability Center: 35925 - Google Chrome Before 21.0.1180.75 Remote Denial of Service Vulnerability, Medium
SecurityFocus: 54897 - Google Chrome Prior to 21.0.1180.75 Multiple Memory Corruption Vulnerabilities
Secunia: 50222 - Google Chrome PDF Viewer Two Vulnerabilities, Highly Critical
OSVDB: 84510

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

Entryinfo

Created: 08/15/2012 14:29
Updated: 03/27/2021 10:01
Changes: 08/15/2012 14:29 (82), 04/15/2017 16:49 (9), 03/27/2021 10:01 (2)
Complete: 🔍

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