Mozilla Firefox up to 13.0 undepend resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox. It has been rated as critical. Affected by this issue is the function JSDependentString::undepend. This manipulation causes resource management. This vulnerability is tracked as CVE-2012-1962. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Firefox (Web Browser). It has been declared as critical. Affected by this vulnerability is the function JSDependentString::undepend. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in the JSDependentString::undepend function in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via vectors involving strings with multiple dependencies.

The weakness was disclosed 07/17/2012 by Bill Keese as MFSA 2012-52 as confirmed advisory (Website). The advisory is shared at mozilla.org. The public release has been coordinated in cooperation with Mozilla. This vulnerability is known as CVE-2012-1962 since 03/30/2012. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a private exploit are known.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 59998 (CentOS 5 / 6 : firefox (CESA-2012:1088)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120366 (Red Hat Update for Xulrunner Firefox (RHSA-2012:1088)).

Upgrading to version 14 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (59998), SecurityFocus (BID 54575†), OSVDB (84004†), Secunia (SA49965†) and SecurityTracker (ID 1027256†). The entries VDB-5668, VDB-5669, VDB-5670 and VDB-5671 are pretty similar. 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: 8.3
VulDB Meta Temp Score: 7.5

VulDB Base Score: 8.3
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 🔍

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Nessus ID: 59998
Nessus Name: CentOS 5 / 6 : firefox (CESA-2012:1088)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71511
OpenVAS Name: FreeBSD Ports: firefox
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: Firefox 14

Timelineinfo

03/30/2012 🔍
07/17/2012 +109 days 🔍
07/17/2012 +0 days 🔍
07/17/2012 +0 days 🔍
07/17/2012 +0 days 🔍
07/17/2012 +0 days 🔍
07/18/2012 +1 days 🔍
07/18/2012 +0 days 🔍
07/19/2012 +1 days 🔍
07/19/2012 +0 days 🔍
07/24/2012 +5 days 🔍
10/21/2024 +4472 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-52
Researcher: Bill Keese
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1962 (🔍)
GCVE (CVE): GCVE-0-2012-1962
GCVE (VulDB): GCVE-100-5677

OVAL: 🔍

SecurityFocus: 54575 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-1962 Memory Corruption Vulnerability
Secunia: 49965 - Mozilla Firefox Multiple Vulnerabilities, Highly Critical
OSVDB: 84004
SecurityTracker: 1027256 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Spoof Web Sites, Obtain Information, and Conduct Cross-Site Scripting Attacks
Vulnerability Center: 35583 - Mozilla Firefox, Thunderbird, and SeaMonkey Remote DoS or Code Execution Vulnerability, Medium

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

Entryinfo

Created: 07/24/2012 13:13
Updated: 10/21/2024 17:41
Changes: 07/24/2012 13:13 (82), 01/31/2018 09:52 (10), 03/26/2021 10:34 (3), 10/21/2024 17:41 (15)
Complete: 🔍
Committer:
Cache ID: 216::103

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