Mozilla Firefox 12.0 updater.exe wsock32.dll untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in Mozilla Firefox 12.0 (Web Browser) and classified as critical. This issue affects an unknown function in the library wsock32.dll of the component updater.exe. The manipulation with an unknown input leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Untrusted search path vulnerability in Updater.exe in the Windows Updater Service in Mozilla Firefox 12.0, Thunderbird 12.0, and SeaMonkey 2.9 on Windows allows local users to gain privileges via a Trojan horse wsock32.dll file in an application directory.

The weakness was published 06/05/2012 by James Forshaw with Context Information Security as 2012-35 as confirmed knowledge base article (Website). It is possible to read the advisory at mozilla.org. The public release has been coordinated with Mozilla. The identification of this vulnerability is CVE-2012-1943 since 03/30/2012. Attacking locally is a requirement. The successful exploitation requires a simple authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 59407 (Firefox < 13.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165488 (SUSE Enterprise Linux Security Update for Mozilla Firefox (SUSE-SU-2012:0746-1)).

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 (76071) and Tenable (59407). Similar entries are available at 5487, 5489, 5490 and 5492.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
ATT&CK: T1574

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59407
Nessus Name: Firefox < 13.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802867
OpenVAS Name: Mozilla Products Updater Service Privilege Escalation Vulnerabilities (Win)
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

03/30/2012 🔍
06/05/2012 +67 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
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06/06/2012 +1 days 🔍
06/06/2012 +0 days 🔍
06/06/2012 +0 days 🔍
06/08/2012 +2 days 🔍
06/11/2012 +3 days 🔍
03/25/2021 +3209 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: 2012-35
Researcher: James Forshaw
Organization: Context Information Security
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1943 (🔍)
OVAL: 🔍

X-Force: 76071
SecurityTracker: 1027120 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 35290 - Mozilla Firefox, Thunderbird, and SeaMonkey on Windows Local Untrusted Search Path Vulnerability, Medium
SecurityFocus: 53807 - Mozilla Firefox SeaMonkey and Thunderbird CVE-2012-1943 Local Privilege Escalation Vulnerability
Secunia: 49366 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 82670

See also: 🔍

Entryinfo

Created: 06/08/2012 17:39
Updated: 03/25/2021 09:58
Changes: 06/08/2012 17:39 (79), 01/31/2018 09:53 (12), 03/25/2021 09:58 (2)
Complete: 🔍

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