Mozilla Firefox up to 3.6 DoSheetComplete memory corruption

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5.1	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox and classified as critical. This vulnerability affects the function CSSLoaderImpl::DoSheetComplete. This manipulation causes memory corruption. This vulnerability appears as CVE-2010-0169. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox (Web Browser). Affected by this vulnerability is the function CSSLoaderImpl::DoSheetComplete. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect integrity. The summary by CVE is:

The CSSLoaderImpl::DoSheetComplete function in layout/style/nsCSSLoader.cpp in Mozilla Firefox 3.0.x before 3.0.18, 3.5.x before 3.5.8, and 3.6.x before 3.6.2; Thunderbird before 3.0.2; and SeaMonkey before 2.0.3 changes the case of certain strings in a stylesheet before adding this stylesheet to the XUL cache, which might allow remote attackers to modify the browser's font and other CSS attributes, and potentially disrupt rendering of a web page, by forcing the browser to perform this erroneous stylesheet caching.

The weakness was presented 03/25/2010 by Wladimir Palant (moz_bug_r_a4) with Mozilla Developers as Bug 535806 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2010-0169. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 44648 (CentOS 4 / 5 : firefox (CESA-2010:0112)), 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 118843 (Red Hat Update for Xulrunner Firefox (RHSA-2010:0112)).

Upgrading to version 1.5.0.11 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (44648), SecurityFocus (BID 38918†) and Vulnerability Center (SBV-25168†). See VDB-51915, VDB-51914, VDB-51913 and VDB-51912 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 3.0
• 3.0.1
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.5
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.6

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 44648
Nessus Name: CentOS 4 / 5 : firefox (CESA-2010:0112)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902150
OpenVAS Name: Mozilla Products Multiple Vulnerabilities Mar-10 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 1.5.0.11

Timelineinfo

01/06/2010 🔍
03/23/2010 +76 days 🔍
03/23/2010 +0 days 🔍
03/25/2010 +2 days 🔍
03/25/2010 +0 days 🔍
03/28/2010 +3 days 🔍
03/19/2015 +1817 days 🔍
05/03/2026 +4063 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 535806
Researcher: Wladimir Palant (moz_bug_r_a4)
Organization: Mozilla Developers
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-0169 (🔍)
GCVE (CVE): GCVE-0-2010-0169
GCVE (VulDB): GCVE-100-52363

OVAL: 🔍

SecurityFocus: 38918 - RETIRED: Mozilla Firefox Thunderbird and Seamonkey MFSA 2010-09 through -15 Multiple Vulnerabilities
Vulnerability Center: 25168 - Mozilla Firefox XUL Stylesheets Allow Attackers to Modify Browser Settings, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 05/03/2026 09:15
Changes: 03/19/2015 12:22 (64), 02/22/2017 10:48 (11), 09/05/2021 17:22 (4), 09/05/2021 17:29 (1), 05/03/2026 09:15 (18)
Complete: 🔍
Cache ID: 216::103

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