CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Mozilla Firefox 42 (Web Browser). Affected is some unknown processing of the component JavaScript Variable Assignment. The manipulation with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on availability.

The weakness was released 12/15/2015 by Cajus Pollmeier (musicDespiteEverything) as MFSA2015-135 as confirmed security advisory (Website). The advisory is available at mozilla.org. This vulnerability is traded as CVE-2015-7204 since 09/16/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The advisory points out:

Security researcher Cajus Pollmeier reported that Firefox 41 was crashing during some Javascript variable assignments. The issue was caused by an implementation error with unboxed objects and property storing in the JavaScript engine. This error could result in a potentially exploitable crash when triggered by JavaScript content as well as leading to errors on some 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 vulnerability database at Tenable (87385). Entries connected to this vulnerability are available at 79805, 79807, 79808 and 79810.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code
CWE: CWE-17
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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

Timelineinfo

09/16/2015 🔍
12/15/2015 +90 days 🔍
12/15/2015 +0 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: MFSA2015-135
Researcher: Cajus Pollmeier (musicDespiteEverything)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7204 (🔍)
SecurityTracker: 1034426
Vulnerability Center: 55289 - Mozilla Firefox 41 - 42 Remote DoS in JavaScript Engine - CVE-2015-7204, High
SecurityFocus: 79280 - Mozilla Firefox Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/16/2015 11:16 AM
Updated: 07/01/2022 08:35 AM
Changes: 12/16/2015 11:16 AM (71), 05/15/2018 09:06 AM (11), 07/01/2022 08:35 AM (3)
Complete: 🔍

Discussion

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