VDB-63185 · CVE-2012-5140 · 159429

Google Chrome up to 23.0.1271.12 URL Loader resource management

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.
9.4	$0-$5k	0.00

A vulnerability was found in Google Chrome up to 23.0.1271.12 (Web Browser) and classified as critical. This issue affects an unknown part of the component URL Loader. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in Google Chrome before 23.0.1271.97 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the URL loader.

The weakness was published 12/12/2012 by Chamal De Silva (pawlkt) with Google Chrome Security Team as 159429 (Website). The advisory is shared at code.google.com. The identification of this vulnerability is CVE-2012-5140 since 09/24/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 63256 (FreeBSD : chromium -- multiple vulnerabilities (51f84e28-444e-11e2-8306-00262d5ed8ee)), 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 120725 (Google Chrome Prior to 23.0.1271.97 Multiple Vulnerabilities).

Upgrading to version 23.0.1271.13 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com.

The vulnerability is also documented in the databases at SecurityFocus (BID 56903), X-Force (80632), Vulnerability Center (SBV-37695) and Tenable (63256). Similar entries are available at 7163, 7164, 7165 and 7166.

Productinfoedit

Type

Web Browser

Vendor

Google

Name

Chrome

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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Exploitinginfoedit

Class: Denial of service
CWE: CWE-399
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 63256
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (51f84e28-444e-11e2-8306-00262d5ed8ee)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 803128
OpenVAS Name: Google Chrome Multiple Vulnerabilities-03 Dec2012 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 23.0.1271.13

Timelineinfoedit

09/24/2012 🔍
12/11/2012 +78 days 🔍
12/11/2012 +0 days 🔍
12/12/2012 +1 days 🔍
12/12/2012 +0 days 🔍
12/17/2012 +5 days 🔍
06/15/2014 +545 days 🔍
03/24/2015 +282 days 🔍
04/22/2017 +760 days 🔍