Mozilla Firefox 37.x WebChannel.jsm information disclosure

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 37.x (Web Browser) and classified as critical. This issue affects an unknown code block of the file WebChannel.jsm. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability.

The weakness was presented 05/12/2015 by Mark Hammond (laf.intel) with Intel as MFSA 2015-56 as confirmed security advisory (Website). The advisory is shared at mozilla.org. The identification of this vulnerability is CVE-2015-2718 since 03/25/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 83389 (FreeBSD : mozilla -- multiple vulnerabilities (d9b43004-f5fd-4807-b1d7-dbf66455b244)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167833 (OpenSuSE Security Update for MozillaFirefox (openSUSE-SU-2015:0934-1)).

Upgrading to version 38 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 (83389), SecurityFocus (BID 74611†), SecurityTracker (ID 1032301†) and Vulnerability Center (SBV-50135†). bugzilla.mozilla.org is providing further details. See VDB-75342, VDB-75343, VDB-75344 and VDB-75345 for similar entries.

Affected

  • Mozilla Firefox 37.x
  • Mozilla Firefox ESR 31.6
  • Mozilla Thunderbird 31.6

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
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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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83389
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (d9b43004-f5fd-4807-b1d7-dbf66455b244)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803605
OpenVAS Name: Mozilla Firefox Multiple Vulnerabilities-01 May15 (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 38

Timelineinfo

03/25/2015 🔍
05/12/2015 +48 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/13/2015 +1 days 🔍
05/13/2015 +0 days 🔍
05/13/2015 +0 days 🔍
05/14/2015 +1 days 🔍
05/17/2022 +2560 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2015-56
Researcher: Mark Hammond (laf.intel)
Organization: Intel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2718 (🔍)
SecurityFocus: 74611 - Mozilla Firefox and Thunderbird MFSA 2015-48 through -58 Multiple Vulnerabilities
SecurityTracker: 1032301 - Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information and Let Local Users Gain Elevated Privileges
Vulnerability Center: 50135 - Mozilla Firefox Remote Bypass Restrictions via webchannel Responses, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/13/2015 12:38 PM
Updated: 05/17/2022 11:28 AM
Changes: 05/13/2015 12:38 PM (74), 06/28/2017 06:37 AM (10), 05/17/2022 11:21 AM (3), 05/17/2022 11:28 AM (1)
Complete: 🔍
Cache ID: 18:2E2:40

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