Mozilla Firefox up to 13.0 JavaScript SandBox Utility javascript: URL memory corruption

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.
8.6	$0-$5k	0.00

A vulnerability was found in Mozilla Firefox (Web Browser). It has been declared as critical. This vulnerability affects some unknown functionality of the component JavaScript SandBox Utility. The manipulation as part of a javascript: URL leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 do not properly implement the JavaScript sandbox utility, which allows remote attackers to execute arbitrary JavaScript code with improper privileges via a javascript: URL.

The weakness was released 07/17/2012 by Karthikeyan Bhargavan (moz_bug_r_a4) with Mozilla Corporation as MFSA 2012-56 as confirmed advisory (Website). The advisory is available at mozilla.org. The public release was coordinated with the vendor. This vulnerability was named CVE-2012-1967 since 03/30/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/26/2021).

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 59998 (CentOS 5 / 6 : firefox (CESA-2012:1088)), 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 120366 (Red Hat Update for Xulrunner Firefox (RHSA-2012:1088)).

Upgrading to version 14 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (59998).

Productinfo

Type

Web Browser

Vendor

Mozilla

Name

Firefox

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.6
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.6
VulDB Temp Score: 8.6
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 59998
Nessus Name: CentOS 5 / 6 : firefox (CESA-2012:1088)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892513
OpenVAS Name: Debian Security Advisory DSA 2513-1 (iceape - 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 14

Timelineinfo

03/30/2012 🔍
07/17/2012 +109 days 🔍
07/17/2012 +0 days 🔍
07/17/2012 +0 days 🔍
07/17/2012 +0 days 🔍
07/17/2012 +0 days 🔍
07/18/2012 +1 days 🔍
07/18/2012 +0 days 🔍
07/19/2012 +1 days 🔍
07/19/2012 +0 days 🔍
07/26/2012 +7 days 🔍
03/26/2021 +3165 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-56
Researcher: Karthikeyan Bhargavan (moz_bug_r_a4)
Organization: Mozilla Corporation
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1967 (🔍)
OVAL: 🔍

SecurityTracker: 1027256 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code, Spoof Web Sites, Obtain Information, and Conduct Cross-Site Scripting Attacks
Vulnerability Center: 35581 - Mozilla Firefox, Thunderbird, and SeaMonkey Remote Code Execution Vulnerability via a Javascript:URL, Critical
SecurityFocus: 54573 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-1967 Privilege Escalation Vulnerability
Secunia: 49963 - Debian update for iceape, Highly Critical
OSVDB: 84013

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/26/2012 17:03
Updated: 03/26/2021 11:04
Changes: 07/26/2012 17:03 (84), 01/31/2018 09:53 (11), 03/26/2021 11:04 (2)
Complete: 🔍
Cache ID: 3:7EB:103