Mozilla Firefox/Thunderbird 16.0.1/16.0.2 SVG Text CSS Style Sheet code injection

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Mozilla Firefox and Thunderbird 16.0.1/16.0.2. This impacts an unknown function of the component SVG Text Handler. The manipulation as part of CSS Style Sheet leads to code injection. This vulnerability is listed as CVE-2012-5836. In addition, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox and Thunderbird 16.0.1/16.0.2 (Web Browser). It has been rated as critical. This issue affects an unknown code of the component SVG Text Handler. The manipulation as part of a CSS Style Sheet leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving the setting of Cascading Style Sheets (CSS) properties in conjunction with SVG text.

The weakness was presented 11/20/2012 by Jonathan Stephens (moz_bug_r_a4) as MFSA 2012-94 as confirmed advisory (Website). It is possible to read the advisory at mozilla.org. The public release was coordinated in cooperation with Mozilla. The identification of this vulnerability is CVE-2012-5836 since 11/05/2012. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 62979 (FreeBSD : mozilla -- multiple vulnerabilities (d23119df-335d-11e2-b64c-c8600054b392)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165721 (SUSE Enterprise Linux Security update for Mozilla Firefox (SUSE-SU-2012:1592-1)).

Upgrading to version 17.0 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 databases at X-Force (80172), Tenable (62979), SecurityFocus (BID 56616†), OSVDB (87593†) and Secunia (SA51358†). bugzilla.mozilla.org is providing further details. See VDB-6971, VDB-6972, VDB-6973 and VDB-6975 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62979
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (d23119df-335d-11e2-b64c-c8600054b392)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 72599
OpenVAS Name: FreeBSD Ports: firefox
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox/Thunderbird 17.0

Timelineinfo

11/05/2012 🔍
11/20/2012 +15 days 🔍
11/20/2012 +0 days 🔍
11/20/2012 +0 days 🔍
11/20/2012 +0 days 🔍
11/21/2012 +1 days 🔍
11/21/2012 +0 days 🔍
11/21/2012 +0 days 🔍
11/21/2012 +0 days 🔍
11/23/2012 +2 days 🔍
12/06/2012 +13 days 🔍
12/29/2024 +4406 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2012-94
Researcher: Jonathan Stephens (moz_bug_r_a4)
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-5836 (🔍)
GCVE (CVE): GCVE-0-2012-5836
GCVE (VulDB): GCVE-100-6983

OVAL: 🔍

X-Force: 80172 - Mozilla Firefox, Thunderbird, and SeaMonkey SVG denial of service, Medium Risk
SecurityFocus: 56616 - Mozilla Firefox/Thunderbird/SeaMonkey CVE-2012-5836 Denial of Service Vulnerability
Secunia: 51358 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 87593
SecurityTracker: 1027791 - Mozilla Firefox Multiple Bugs Let Remote Users Execute Arbitrary Code and Conduct Cross-Site Scripting Attacks
Vulnerability Center: 37550 - Mozilla Firefox, Thunderbird and SeaMonkey CSS Properties \\ SVG Text Remote Code Execution, Medium

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

Entryinfo

Created: 11/23/2012 13:30
Updated: 12/29/2024 01:50
Changes: 11/23/2012 13:30 (58), 04/22/2017 12:53 (39), 04/19/2021 13:22 (3), 12/29/2024 01:50 (16)
Complete: 🔍
Cache ID: 216:2EA:103

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

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