Mozilla Firefox/Thunderbird 15 WillInsert resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability, which was classified as critical, was found in Mozilla Firefox and Thunderbird 15 (Web Browser). Affected is the function nsTextEditRules::WillInsert. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the nsTextEditRules::WillInsert function in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

The weakness was released 10/09/2012 by Abhishek Arya (Inferno) with Google Chrome Security Team as MFSA 2012-85 as confirmed advisory (Website). The advisory is shared for download at mozilla.org. The public release was coordinated with the vendor. In general this flaw cannot be exploited through email in the Thunderbird and SeaMonkey products because scripting is disabled, but are potentially a risk in browser or browser-like contexts in those products. This vulnerability is traded as CVE-2012-4182 since 08/08/2012. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 62484 (CentOS 5 / 6 : firefox (CESA-2012:1350)), 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 120583 (Red Hat Update for Xulrunner Firefox (RHSA-2012:1350)).

Upgrading to version 16 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 (79160) and Tenable (62484). Entries connected to this vulnerability are available at 6053, 6637, 6638 and 6639.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 8.3
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62484
Nessus Name: CentOS 5 / 6 : firefox (CESA-2012:1350)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 72533
OpenVAS Name: Debian Security Advisory DSA 2565-1 (iceweasel)
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/Thunderbird 16

Timelineinfo

08/08/2012 🔍
10/09/2012 +62 days 🔍
10/09/2012 +0 days 🔍
10/10/2012 +1 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/10/2012 +0 days 🔍
10/11/2012 +1 days 🔍
10/12/2012 +1 days 🔍
04/18/2021 +3110 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-85
Researcher: Abhishek Arya (Inferno)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-4182 (🔍)
OVAL: 🔍

X-Force: 79160 - Mozilla Firefox, Thunderbird, and SeaMonkey nsTextEditRules::WillInsert() code execution, High Risk
SecurityTracker: 1027631 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Spoof Information, and Inject Scripting Code
Vulnerability Center: 36475 - Mozilla Firefox, Thunderbird and SeaMonkey nsTextEditRules Use-After-Free Vulnerability, Critical
SecurityFocus: 56121
Secunia: 50856 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 86094

See also: 🔍

Entryinfo

Created: 10/12/2012 10:20
Updated: 04/18/2021 06:45
Changes: 10/12/2012 10:20 (92), 01/31/2018 09:54 (6), 04/18/2021 06:45 (3)
Complete: 🔍

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