Mozilla Firefox up to 11.0 ISO-2022-KR/ISO-2022-CN Character Set Decoder cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

A vulnerability classified as critical has been found in Mozilla Firefox up to 11.0 (Web Browser). This affects some unknown functionality of the component ISO-2022-KR/ISO-2022-CN Character Set Decoder. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to inject arbitrary web script or HTML via the (1) ISO-2022-KR or (2) ISO-2022-CN character set.

The weakness was released 04/24/2012 by Masato Kinugawa as MFSA 2012-29 as not defined knowledge base article (Website). The advisory is shared at mozilla.org. The public release was coordinated with Mozilla. This vulnerability is uniquely identified as CVE-2012-0477 since 01/09/2012. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A private exploit has been developed by Masato Kinugawa. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 892458 , 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 120189 (Red Hat Update for Xulrunner Firefox (RHSA-2012:0515)).

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 (892458). Entries connected to this vulnerability are available at 5005, 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: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Author: Masato Kinugawa

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 892458
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 892457
OpenVAS Name: Debian Security Advisory DSA 2457-2 (iceweasel - 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 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 🔍
05/03/2012 +5 days 🔍
09/18/2013 +503 days 🔍
03/24/2021 +2744 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-29
Researcher: Masato Kinugawa
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-0477 (🔍)
OVAL: 🔍

X-Force: 75154
Vulnerability Center: 34959 - Mozilla Firefox <12, Thunderbird <12, SeaMonkey <2.9 ISO-2022-KR/ISO-2022-CN Decoding XSS, Medium
SecurityFocus: 53229 - Mozilla Firefox/Thunderbird/Seamonkey CVE-2012-0477 Cross Site Scripting Vulnerability
Secunia: 48932 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 81522

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

Entryinfo

Created: 05/03/2012 11:31
Updated: 03/24/2021 08:29
Changes: 05/03/2012 11:31 (77), 01/31/2018 09:53 (9), 03/24/2021 08:29 (2)
Complete: 🔍

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