Mozilla Firefox 26 Web Worker Error Message credentials management

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Mozilla Firefox 26. Affected by this issue is some unknown functionality of the component Web Worker. Executing a manipulation as part of Error Message can lead to credentials management. This vulnerability appears as CVE-2014-1487. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox 26 (Web Browser). This vulnerability affects an unknown code block of the component Web Worker. The manipulation as part of a Error Message leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality. CVE summarizes:

The Web workers implementation in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to bypass the Same Origin Policy and obtain sensitive authentication information via vectors involving error messages.

The weakness was presented 02/04/2014 by Masato Kinugawa as MFSA2014-09 as confirmed advisory (Website). The advisory is available at mozilla.org. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2014-1487 since 01/16/2014. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 72350 (CentOS 5 / 6 : firefox (CESA-2014:0132)), 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 121775 (Red Hat Update for Xulrunner Firefox (RHSA-2014:0132)).

Upgrading to version 27 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 Tenable (72350), SecurityFocus (BID 65330†), OSVDB (102873†), Secunia (SA56706†) and Vulnerability Center (SBV-43148†). See VDB-12168, VDB-12169, VDB-12170 and VDB-12171 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Mozilla Firefox 26
  • Mozilla Thunderbird 24.2
  • Mozilla SeaMonkey 2.23
  • Mozilla Firefox ESR 24.2

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
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: 72350
Nessus Name: CentOS 5 / 6 : firefox (CESA-2014:0132)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 702858
OpenVAS Name: Debian Security Advisory DSA 2858-1 (iceweasel - several vulnerabilities
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 27

Timelineinfo

01/16/2014 🔍
02/04/2014 +19 days 🔍
02/04/2014 +0 days 🔍
02/04/2014 +0 days 🔍
02/04/2014 +0 days 🔍
02/05/2014 +1 days 🔍
02/05/2014 +0 days 🔍
02/06/2014 +1 days 🔍
02/06/2014 +0 days 🔍
11/25/2025 +4310 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2014-09
Researcher: Masato Kinugawa
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-1487 (🔍)
GCVE (CVE): GCVE-0-2014-1487
GCVE (VulDB): GCVE-100-12178

OVAL: 🔍
IAVM: 🔍

X-Force: 90889
SecurityFocus: 65330 - Mozilla Firefox/SeaMonkey/Thunderbird CVE-2014-1487 Information Disclosure Vulnerability
Secunia: 56706 - Cyberfox Multiple Vulnerabilities, Highly Critical
OSVDB: 102873
SecurityTracker: 1029717
Vulnerability Center: 43148 - Mozilla Firefox, Thunderbird and SeaMonkey Remote Leakage of Information (CVE-2014-1487), Medium

See also: 🔍

Entryinfo

Created: 02/06/2014 11:02
Updated: 11/25/2025 20:26
Changes: 02/06/2014 11:02 (83), 01/31/2018 09:55 (5), 06/09/2021 03:40 (4), 06/09/2021 03:47 (11), 06/09/2021 03:54 (1), 11/25/2025 20:26 (16)
Complete: 🔍
Cache ID: 216:6AA:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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