Mozilla Firefox 41 Web Worker access control

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Firefox 41. This affects an unknown function of the component Web Worker. The manipulation leads to access control. This vulnerability is listed as CVE-2015-7197. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox 41 (Web Browser) and classified as critical. This issue affects some unknown processing of the component Web Worker. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is integrity. The summary by CVE is:

Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 improperly control the ability of a web worker to create a WebSocket object, which allows remote attackers to bypass intended mixed-content restrictions via crafted JavaScript code.

The weakness was presented 11/03/2015 as MFSA 2015-13 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2015-7197 since 09/16/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 86726 (CentOS 5 / 6 / 7 : firefox (CESA-2015:1982)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124474 (CentOS Security Update for thunderbird (CESA-2015:2519)).

Upgrading 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 (107813), Tenable (86726), SecurityFocus (BID 77411†) and Vulnerability Center (SBV-54153†). See VDB-69225, VDB-79024, VDB-79025 and VDB-79031 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 86726
Nessus Name: CentOS 5 / 6 / 7 : firefox (CESA-2015:1982)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703393
OpenVAS Name: Debian Security Advisory DSA 3393-1 (iceweasel - security update)
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: 🔍

Timelineinfo

09/16/2015 🔍
11/03/2015 +48 days 🔍
11/03/2015 +0 days 🔍
11/03/2015 +0 days 🔍
11/04/2015 +1 days 🔍
11/05/2015 +1 days 🔍
11/05/2015 +0 days 🔍
11/05/2015 +0 days 🔍
10/23/2024 +3274 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2015-13
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7197 (🔍)
GCVE (CVE): GCVE-0-2015-7197
GCVE (VulDB): GCVE-100-79043

OVAL: 🔍

X-Force: 107813 - Mozilla Firefox web worker security bypass
SecurityFocus: 77411
SecurityTracker: 1034069
Vulnerability Center: 54153 - Mozilla Firefox before 42 and Firefox ESR 38.x before 38.4 Remote Security Bypass via Crafted JavaScript Code, Medium

See also: 🔍

Entryinfo

Created: 11/05/2015 10:20
Updated: 10/23/2024 01:14
Changes: 11/05/2015 10:20 (76), 03/10/2018 11:19 (1), 06/26/2022 09:41 (3), 10/23/2024 01:14 (15)
Complete: 🔍
Cache ID: 216::103

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