Google Chrome 17.0.963.46 Native Client Validator use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Google Chrome 17.0.963.46. This issue affects some unknown processing of the component Native Client Validator. This manipulation causes use after free. This vulnerability is tracked as CVE-2011-3020. The attack is possible to be carried out remotely. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome 17.0.963.46 (Web Browser) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Native Client Validator. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability. The summary by CVE is:

Unspecified vulnerability in the Native Client validator implementation in Google Chrome before 17.0.963.56 has unknown impact and remote attack vectors.

The weakness was disclosed 02/15/2012 by Mateusz Jurczyk as 111575 (Website). The advisory is shared at code.google.com. This vulnerability is known as CVE-2011-3020 since 08/09/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

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 57968 (FreeBSD : chromium -- multiple vulnerabilities (2f5ff968-5829-11e1-8288-00262d5ed8ee)), 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 119950 (Google Chrome Prior to 17.0.963.56 Multiple Vulnerabilities).

Upgrading to version 17.0.963.56 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 src.chromium.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 X-Force (73234), Tenable (57968), SecurityFocus (BID 52031†), OSVDB (79288†) and Secunia (SA48016†). The entries VDB-4654, VDB-4648, VDB-4656 and VDB-4653 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: 57968
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (2f5ff968-5829-11e1-8288-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71171
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 17.0.963.56
Patch: src.chromium.org

Timelineinfo

08/09/2011 🔍
02/15/2012 +189 days 🔍
02/15/2012 +0 days 🔍
02/15/2012 +0 days 🔍
02/16/2012 +1 days 🔍
02/16/2012 +0 days 🔍
02/16/2012 +0 days 🔍
02/24/2012 +8 days 🔍
09/06/2012 +195 days 🔍
03/21/2021 +3118 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 111575
Researcher: Mateusz Jurczyk
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3020 (🔍)
GCVE (CVE): GCVE-0-2011-3020
GCVE (VulDB): GCVE-100-4657

OVAL: 🔍

X-Force: 73234
SecurityFocus: 52031
Secunia: 48016 - Google Chrome Multiple Vulnerabilities, Highly Critical
OSVDB: 79288
Vulnerability Center: 36087 - Native Client Validator Implementation in Google Chrome Allows Remote Unspecified Vulnerability, High

See also: 🔍

Entryinfo

Created: 02/24/2012 01:00
Updated: 03/21/2021 07:03
Changes: 02/24/2012 01:00 (77), 04/19/2017 10:28 (7), 03/21/2021 06:58 (4), 03/21/2021 07:03 (1)
Complete: 🔍
Cache ID: 216:F9C:103

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