Mozilla Firefox up to 12.0 ASN.1 Decoder wsock32.dll memory corruption

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

Summaryinfo

A vulnerability described as problematic has been identified in Mozilla Firefox. Affected by this vulnerability is an unknown functionality in the library wsock32.dll of the component ASN.1 Decoder. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2012-0441. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox (Web Browser). This vulnerability affects an unknown code block in the library wsock32.dll of the component ASN.1 Decoder. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

The ASN.1 decoder in the QuickDER decoder in Mozilla Network Security Services (NSS) before 3.13.4, as used in Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10, allows remote attackers to cause a denial of service (application crash) via a zero-length item, as demonstrated by (1) a zero-length basic constraint or (2) a zero-length field in an OCSP response.

The weakness was published 06/05/2012 by Kaspar Brand as 2012-39 as not defined knowledge base article (Website). The advisory is shared for download at mozilla.org. The public release has been coordinated with the vendor. This vulnerability was named CVE-2012-0441 since 01/09/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 69598 (Amazon Linux AMI : nss (ALAS-2012-108)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216047 (VMWare ESX 4.1.0 Patch Release ESX410-201211001 Missing (KB2036254)).

Upgrading to version 13.0 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 (76069), Tenable (69598), SecurityFocus (BID 53798†), OSVDB (82675†) and Secunia (SA49366†). Similar entries are available at VDB-5487, VDB-5489, VDB-5490 and VDB-5492. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69598
Nessus Name: Amazon Linux AMI : nss (ALAS-2012-108)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71467
OpenVAS Name: Debian Security Advisory DSA 2490-1 (nss)
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 13.0

Timelineinfo

01/09/2012 🔍
06/05/2012 +148 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/06/2012 +1 days 🔍
06/06/2012 +0 days 🔍
06/08/2012 +2 days 🔍
06/11/2012 +3 days 🔍
09/04/2013 +450 days 🔍
10/21/2024 +4065 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: 2012-39
Researcher: Kaspar Brand
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-0441 (🔍)
GCVE (CVE): GCVE-0-2012-0441
GCVE (VulDB): GCVE-100-5500

OVAL: 🔍
IAVM: 🔍

X-Force: 76069
SecurityFocus: 53798 - Mozilla Firefox/SeaMonkey/Thunderbird NSS Parsing Multiple Denial of Service Vulnerabilities
Secunia: 49366 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 82675
Vulnerability Center: 35292 - Mozilla Firefox, Thunderbird, and SeaMonkey Remote DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 06/08/2012 18:28
Updated: 10/21/2024 15:39
Changes: 06/08/2012 18:28 (82), 01/31/2018 09:54 (10), 03/25/2021 10:20 (3), 10/21/2024 15:39 (15)
Complete: 🔍
Cache ID: 216:02D:103

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