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CVE-2008-0420

9.3 · HIGH

modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 does not properly perform certain calculations related to t…

Published Feb 12, 2008mozillaCWE-200EPSS 2.22%

Overview

CVE-2008-0420 is a high-severity vulnerability affecting mozilla firefox. It was published on February 12, 2008 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 does not properly perform certain calculations related to the mColors table, which allows remote attackers to read portions of memory uninitialized via a crafted 8-bit bitmap (BMP) file that triggers an out-of-bounds read within the heap, as demonstrated using a CANVAS element; or cause a denial of service (application crash) via a crafted 8-bit bitmap file that triggers an out-of-bounds read. NOTE: the initial public reports stated that this affected Firefox in Ubuntu 6.06 through 7.10.

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
mozillafirefox0Affected
mozillaseamonkey0Affected
mozillathunderbird0Affected

References

Refbrowser.netscape.com/releasenotes/Refsecunia.com/advisories/28758Refsecunia.com/advisories/28839Refsecunia.com/advisories/29049Refsecunia.com/advisories/29098Refsecunia.com/advisories/29167Refsecunia.com/advisories/30327Refsecunia.com/advisories/30620Refsecuritytracker.com/id?1019434Refsunsolve.sun.com/search/document.do?assetkey=1-26-238492-1

How CyberStrike helps

Frequently asked questions

What is CVE-2008-0420?

CVE-2008-0420 is a high-severity vulnerability affecting mozilla firefox. It was published on February 12, 2008 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2008-0420?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-0420?

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-2008-0420?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-0420 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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