Mozilla Firefox up to 11.0 XMLHttpRequest/WebSocket Handling access control

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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 11.0. It has been classified as problematic. This impacts an unknown function of the component XMLHttpRequest/WebSocket Handling. This manipulation causes access control. This vulnerability is handled as CVE-2012-0475. The attack can be initiated remotely. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 11.0 (Web Browser). Affected by this vulnerability is an unknown code block of the component XMLHttpRequest/WebSocket Handling. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, and SeaMonkey before 2.9 do not properly construct the Origin and Sec-WebSocket-Origin HTTP headers, which might allow remote attackers to bypass an IPv6 literal ACL via a cross-site (1) XMLHttpRequest or (2) WebSocket operation involving a nonstandard port number and an IPv6 address that contains certain zero fields.

The weakness was released 04/24/2012 by Simone Fabiano as MFSA 2012-28 as not defined knowledge base article (Website). It is possible to read the advisory at mozilla.org. The public release was coordinated with Mozilla. This vulnerability is known as CVE-2012-0475 since 01/09/2012. The attack can be launched remotely. The requirement for exploitation is a single authentication. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A private exploit has been developed by Simone Fabiano. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 802842 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165473 (SUSE Enterprise Linux Security Update for Mozilla Firefox (SUSE-SU-2012:0688-1)).

Upgrading to version 12.0 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 (802842), SecurityFocus (BID 53230†), OSVDB (81521†), Secunia (SA48932†) and Vulnerability Center (SBV-34958†). Entries connected to this vulnerability are available at VDB-5301, VDB-5302, VDB-5303 and VDB-5304. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.6
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Author: Simone Fabiano

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 802842
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 71269
OpenVAS Name: FreeBSD Ports: firefox
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 12.0

Timelineinfo

01/09/2012 🔍
04/24/2012 +106 days 🔍
04/24/2012 +0 days 🔍
04/24/2012 +0 days 🔍
04/24/2012 +0 days 🔍
04/25/2012 +1 days 🔍
04/25/2012 +0 days 🔍
04/28/2012 +3 days 🔍
05/02/2012 +4 days 🔍
05/03/2012 +1 days 🔍
03/24/2021 +3247 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-28
Researcher: Simone Fabiano
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-0475 (🔍)
GCVE (CVE): GCVE-0-2012-0475
GCVE (VulDB): GCVE-100-5311

OVAL: 🔍

X-Force: 75153
SecurityFocus: 53230 - Mozilla Firefox/Thunderbird/Seamonkey CVE-2012-0475 Security Bypass Vulnerability
Secunia: 48932 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 81521
Vulnerability Center: 34958 - Mozilla Firefox <12, Thunderbird <12, SeaMonkey <2.9 Access Controls Bypass (CVE-2012-0475), Medium

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

Entryinfo

Created: 05/03/2012 13:06
Updated: 03/24/2021 09:12
Changes: 05/03/2012 13:06 (77), 01/31/2018 09:53 (9), 03/24/2021 09:12 (3)
Complete: 🔍
Cache ID: 216:30E:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!