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CVE-2011-3649

2.6 · LOW

Mozilla Firefox 7.0 and Thunderbird 7.0, when the Direct2D (aka D2D) API is used on Windows in conjunction with the Azure graphics back-end, allow remote attackers to bypass the Same Origin Policy,…

Published Nov 9, 2011mozillaCWE-200EPSS 0.96%

Overview

CVE-2011-3649 is a low-severity vulnerability affecting mozilla firefox. It was published on November 9, 2011 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mozilla Firefox 7.0 and Thunderbird 7.0, when the Direct2D (aka D2D) API is used on Windows in conjunction with the Azure graphics back-end, allow remote attackers to bypass the Same Origin Policy, and obtain sensitive image data from a different domain, by inserting this data into a canvas. NOTE: this issue exists because of a CVE-2011-2986 regression.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.opensuse.org/opensuse-security-announce/2011-11/msg00020.htmlRefwww.mozilla.org/security/announce/2011/mfsa2011-50.htmlRefwww.securityfocus.com/bid/50591Refbugzilla.mozilla.org/show_bug.cgi?id=655836Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14025Reflists.opensuse.org/opensuse-security-announce/2011-11/msg00020.htmlRefwww.mozilla.org/security/announce/2011/mfsa2011-50.htmlRefwww.securityfocus.com/bid/50591Refbugzilla.mozilla.org/show_bug.cgi?id=655836Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14025

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3649?

CVE-2011-3649 is a low-severity vulnerability affecting mozilla firefox. It was published on November 9, 2011 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2011-3649?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3649?

Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-3649?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3649 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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