Mozilla Firefox up to 11.0 XMLHttpRequest/WebSocket Handling access control

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

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 vulnerability database at Tenable (802842). Entries connected to this vulnerability are available at 5301, 5302, 5303 and 5304.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 (🔍)
OVAL: 🔍

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

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: 🔍

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