Mozilla Firefox 8.0 SVG Element DOMAttrModified resource management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Mozilla Firefox 8.0. The impacted element is the function DOMAttrModified of the component SVG Element Handler. This manipulation causes resource management.
This vulnerability is registered as CVE-2011-3658. Furthermore, an exploit is available.
It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Mozilla Firefox 8.0 (Web Browser) and classified as critical. Affected by this vulnerability is the function DOMAttrModified of the component SVG Element Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The SVG implementation in Mozilla Firefox 8.0, Thunderbird 8.0, and SeaMonkey 2.5 does not properly interact with DOMAttrModified event handlers, which allows remote attackers to cause a denial of service (out-of-bounds memory access) or possibly have unspecified other impact via vectors involving removal of SVG elements.
The weakness was published 12/20/2011 by Metasploit (Website). It is possible to read the advisory at hermes.opensuse.org. The public release has been coordinated with Mozilla. This vulnerability is known as CVE-2011-3658 since 09/23/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
A public exploit has been developed by Metasploit and been published 6 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 74515 (openSUSE Security Update : MozillaFirefox / MozillaThunderbird / seamonkey / etc (openSUSE-2011-101)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165277 (SUSE Security Update for Mozilla Firefox (openSUSE-SU-2012:0039-2)).
Upgrading to version 9.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 25629.
The vulnerability is also documented in the databases at X-Force (71910), Exploit-DB (18847), Tenable (74515), SecurityFocus (BID 51138†) and OSVDB (77953†). Similar entries are available at VDB-4494, VDB-4493, VDB-4498 and VDB-4496. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Author: Metasploit
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 74515
Nessus Name: openSUSE Security Update : MozillaFirefox / MozillaThunderbird / seamonkey / etc (openSUSE-2011-101)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 70588
OpenVAS Name: FreeBSD Ports: firefox
OpenVAS File: 🔍
OpenVAS Family: 🔍
Saint ID: exploit_info/firefox_domattrmodified_nssvgvalue
Saint Name: Firefox DOMAttrModified nsSVGValue Observer Handling Out-of-bounds Memory Access
Qualys ID: 🔍
Qualys Name: 🔍
MetaSploit ID: mozilla_nssvgvalue.rb
MetaSploit Name: Firefox nsSVGValue Out-of-Bounds Access Vulnerability
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍
Upgrade: Firefox 9.0
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍
Timeline
09/23/2011 🔍12/20/2011 🔍
12/20/2011 🔍
12/20/2011 🔍
12/20/2011 🔍
12/21/2011 🔍
12/21/2011 🔍
12/21/2011 🔍
12/21/2011 🔍
01/21/2012 🔍
05/09/2012 🔍
05/09/2012 🔍
06/13/2014 🔍
06/09/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: hermes.opensuse.org
Researcher: Metasploit
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2011-3658 (🔍)
GCVE (CVE): GCVE-0-2011-3658
GCVE (VulDB): GCVE-100-4495
OVAL: 🔍
X-Force: 71910 - Mozilla Firefox, Thunderbird, and SeaMonkey DOMAttrModified code execution, High Risk
SecurityFocus: 51138
Secunia: 47302 - Mozilla Firefox / Thunderbird Multiple Vulnerabilities, Highly Critical
OSVDB: 77953
SecurityTracker: 1026445 - Mozilla Firefox Multiple Flaws Permit Remote Code Execution and Keystroke Detection
Vulnerability Center: 34094 - Mozilla Firefox 8.0, Thunderbird 8.0, and SeaMonkey 2.5 SVG Implementation Allows Remote DoS, High
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 01/21/2012 01:00Updated: 06/09/2025 06:40
Changes: 01/21/2012 01:00 (93), 04/09/2017 13:02 (15), 03/20/2021 09:52 (4), 03/20/2021 09:58 (1), 06/09/2025 06:40 (14)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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