Mozilla Firefox 42 Worker importScripts information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Mozilla Firefox 42. Impacted is the function importScripts of the component Worker Handler. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2015-7215. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Mozilla Firefox 42 (Web Browser). It has been declared as problematic. This vulnerability affects the function importScripts of the component Worker Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was published 12/15/2015 by Masato Kinugawa as MFSA2015-140 as confirmed security advisory (Website). The advisory is available at mozilla.org. This vulnerability was named CVE-2015-7215 since 09/16/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

Security researcher Masato Kinugawa reported a cross-origin information leak through the error events in web workers. This violates same-origin policy and the leaked information could potentially be used by a malicious party to gather authentication tokens and other data from third-party websites.

The vulnerability scanner Nessus provides a plugin with the ID 87385 (FreeBSD : mozilla -- multiple vulnerabilities (2c2d1c39-1396-459a-91f5-ca03ee7c64c6)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168484 (OpenSuSE Security Update for seamonkey (openSUSE-SU-2016:0307-1)).

Upgrading to version 43 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 (87385), SecurityFocus (BID 79280†) and Vulnerability Center (SBV-55296†). Similar entries are available at VDB-79805, VDB-79806, VDB-79807 and VDB-79808. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 87385
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (2c2d1c39-1396-459a-91f5-ca03ee7c64c6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803852
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities - Dec15 (Windows)
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 43
Patch: github.com

Timelineinfo

09/16/2015 🔍
12/15/2015 +90 days 🔍
12/15/2015 +0 days 🔍
12/15/2015 +0 days 🔍
12/16/2015 +1 days 🔍
12/16/2015 +0 days 🔍
12/16/2015 +0 days 🔍
12/16/2015 +0 days 🔍
07/01/2022 +2389 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2015-140
Researcher: Masato Kinugawa
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7215 (🔍)
GCVE (CVE): GCVE-0-2015-7215
GCVE (VulDB): GCVE-100-79810
SecurityFocus: 79280
SecurityTracker: 1034426
Vulnerability Center: 55296 - Mozilla Firefox <43 Remote Information Disclosure in Web Workers - CVE-2015-7215, Medium

See also: 🔍

Entryinfo

Created: 12/16/2015 11:31
Updated: 07/01/2022 08:43
Changes: 12/16/2015 11:31 (70), 05/15/2018 09:11 (8), 07/01/2022 08:43 (5)
Complete: 🔍
Cache ID: 216:DBE:103

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

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