Mozilla Firefox/Thunderbird 16.0.1/16.0.2 use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox and Thunderbird 16.0.1/16.0.2. This affects an unknown part. Performing a manipulation results in use after free. This vulnerability is reported as CVE-2012-5843. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox and Thunderbird 16.0.1/16.0.2 (Web Browser). This affects an unknown functionality. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

The weakness was disclosed 11/20/2012 by Jesse Ruderman (moz_bug_r_a4) as MFSA 2012-91 as confirmed advisory (Website). It is possible to read the advisory at mozilla.org. The public release has been coordinated in cooperation with Mozilla. This vulnerability is uniquely identified as CVE-2012-5843 since 11/05/2012. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 62979 (FreeBSD : mozilla -- multiple vulnerabilities (d23119df-335d-11e2-b64c-c8600054b392)), 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 165721 (SUSE Enterprise Linux Security update for Mozilla Firefox (SUSE-SU-2012:1592-1)).

Upgrading to version 17.0 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 X-Force (80168), Tenable (62979), SecurityFocus (BID 56612†), OSVDB (87597†) and Secunia (SA51358†). Further details are available at bugzilla.mozilla.org. The entries VDB-6971, VDB-6972, VDB-6973 and VDB-6975 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 62979
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (d23119df-335d-11e2-b64c-c8600054b392)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 72599
OpenVAS Name: FreeBSD Ports: firefox
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: Firefox/Thunderbird 17.0

Timelineinfo

11/05/2012 🔍
11/20/2012 +15 days 🔍
11/20/2012 +0 days 🔍
11/20/2012 +0 days 🔍
11/20/2012 +0 days 🔍
11/21/2012 +1 days 🔍
11/21/2012 +0 days 🔍
11/21/2012 +0 days 🔍
11/21/2012 +0 days 🔍
11/22/2012 +1 days 🔍
11/23/2012 +1 days 🔍
12/29/2024 +4419 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-91
Researcher: Jesse Ruderman (moz_bug_r_a4)
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-5843 (🔍)
GCVE (CVE): GCVE-0-2012-5843
GCVE (VulDB): GCVE-100-6987

OVAL: 🔍

X-Force: 80168 - Mozilla Firefox, Thunderbird, and SeaMonkey code execution, High Risk
SecurityFocus: 56612 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-5843 Multiple Memory Corruption Vulnerabilities
Secunia: 51358 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 87597
SecurityTracker: 1027791 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code and Conduct Cross-Site Scripting Attacks
Vulnerability Center: 37359 - Mozilla Firefox, Thunderbird and SeaMonkey Multiple Code Execution Vulnerabilities - CVE-2012-5843, Critical

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

Entryinfo

Created: 11/23/2012 13:44
Updated: 12/29/2024 02:12
Changes: 11/23/2012 13:44 (57), 04/21/2017 13:26 (39), 04/19/2021 13:32 (2), 12/29/2024 02:12 (16)
Complete: 🔍
Cache ID: 216:AE4:103

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