Mozilla Firefox up to 8.0 YARR Regular Expression Library resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 8.0. Impacted is an unknown function of the component YARR Regular Expression Library. The manipulation leads to resource management. This vulnerability is listed as CVE-2011-3661. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 8.0 (Web Browser). This issue affects some unknown processing of the component YARR Regular Expression Library. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

YARR, as used in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via crafted JavaScript.

The weakness was presented 12/20/2011 by Aki Helin as MFSA2011-54 as confirmed advisory (Website). The advisory is shared at mozilla.org. The public release was coordinated in cooperation with Mozilla. The identification of this vulnerability is CVE-2011-3661 since 09/23/2011. 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 57355 (FreeBSD : mozilla -- multiple vulnerabilities (e3ff776b-2ba6-11e1-93c6-0011856a6e37)), 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 165277 (SUSE Security Update for Mozilla Firefox (openSUSE-SU-2012:0039-2)).

Upgrading to version 9.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (71909), Tenable (57355), SecurityFocus (BID 51135†), OSVDB (77951†) and Secunia (SA47302†). See VDB-4495, VDB-4494, VDB-4498 and VDB-4496 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57355
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (e3ff776b-2ba6-11e1-93c6-0011856a6e37)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70588
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 9.0

Timelineinfo

09/23/2011 🔍
12/20/2011 +88 days 🔍
12/20/2011 +0 days 🔍
12/20/2011 +0 days 🔍
12/20/2011 +0 days 🔍
12/20/2011 +0 days 🔍
12/21/2011 +1 days 🔍
12/21/2011 +0 days 🔍
12/21/2011 +0 days 🔍
01/21/2012 +30 days 🔍
03/12/2012 +51 days 🔍
03/20/2021 +3295 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2011-54
Researcher: Aki Helin
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2011-3661 (🔍)
GCVE (CVE): GCVE-0-2011-3661
GCVE (VulDB): GCVE-100-4493

OVAL: 🔍

X-Force: 71909 - Mozilla Firefox, Thunderbird, and SeaMonkey YARR denial of service, Medium Risk
SecurityFocus: 51135 - Mozilla Firefox/Thunderbird/SeaMonkey YARR Library Denial Of Service Vulnerability
Secunia: 47302 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 77951
SecurityTracker: 1026445 - Mozilla Firefox Multiple Flaws Permit Remote Code Execution and Keystroke Detection
Vulnerability Center: 34607 - Mozilla Firefox, SeaMonkey, and Thunderbird YARR Remote DoS \\ Code Execution via Crafted JavaScript, Medium

See also: 🔍

Entryinfo

Created: 01/21/2012 01:00
Updated: 03/20/2021 09:46
Changes: 01/21/2012 01:00 (82), 01/31/2018 09:53 (10), 03/20/2021 09:46 (3)
Complete: 🔍
Cache ID: 216:87C:103

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