Mozilla Firefox up to 12.0 cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability was found in Mozilla Firefox (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Content Security Policy (CSP) implementation in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 does not block inline event handlers, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document.

The weakness was disclosed 06/05/2012 by Adam Barth (rshaw) as 2012-36 as confirmed knowledge base article (Website). The advisory is shared at mozilla.org. The public release has been coordinated in cooperation with Mozilla. This vulnerability is known as CVE-2012-1944 since 03/30/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 59388 (CentOS 5 / 6 : firefox (CESA-2012:0710)), 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 120275 (Red Hat Update for Xulrunner Firefox (RHSA-2012:0710)).

Upgrading to version 13.0 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 (59388). The entries 5434, 5487, 5489 and 5490 are pretty similar.

Productinfo

Type

Vendor

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59388
Nessus Name: CentOS 5 / 6 : firefox (CESA-2012:0710)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71541
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 13.0

Timelineinfo

03/30/2012 🔍
06/05/2012 +67 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/05/2012 +0 days 🔍
06/06/2012 +1 days 🔍
06/06/2012 +0 days 🔍
06/06/2012 +0 days 🔍
06/06/2012 +0 days 🔍
06/08/2012 +2 days 🔍
03/25/2021 +3212 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: 2012-36
Researcher: Adam Barth (rshaw)
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-1944 (🔍)
OVAL: 🔍

SecurityTracker: 1027120 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 35268 - Mozilla Firefox, Thunderbird and SeaMonkey Content Security Policy Security Bypass Vulnerability, Medium
SecurityFocus: 53801 - Mozilla Firefox/Thunderbird/SeaMonkey CSP's Inline-Script Blocking Feature Security Bypass Weakness
Secunia: 49366 - Mozilla Firefox / Thunderbird / SeaMonkey Multiple Vulnerabilities, Highly Critical
OSVDB: 82672

See also: 🔍

Entryinfo

Created: 06/08/2012 06:18 PM
Updated: 03/25/2021 10:07 AM
Changes: 06/08/2012 06:18 PM (77), 01/31/2018 09:53 AM (11), 03/25/2021 10:07 AM (2)
Complete: 🔍

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