CWE
20
Advisory Published
Updated

CVE-2006-4340: Input Validation

First published: Fri Sep 15 2006(Updated: )

Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.7, Thunderbird before 1.5.0.7, and SeaMonkey before 1.0.5, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates, a similar vulnerability to CVE-2006-4339. NOTE: on 20061107, Mozilla released an advisory stating that these versions were not completely patched by MFSA2006-60. The newer fixes for 1.5.0.7 are covered by CVE-2006-5462.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Firefox<=1.5.0.6
Mozilla NSS ESR<=3.11.2
Mozilla SeaMonkey<=1.0.4
Thunderbird<=1.5.0.6

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2006-4340?

    CVE-2006-4340 has a medium severity level due to its potential for remote signature forgery.

  • What software is affected by CVE-2006-4340?

    CVE-2006-4340 affects Mozilla Firefox versions prior to 1.5.0.7, Thunderbird versions prior to 1.5.0.7, SeaMonkey versions prior to 1.0.5, and NSS library versions prior to 3.11.3.

  • How do I fix CVE-2006-4340?

    To fix CVE-2006-4340, upgrade your affected software to the latest version that addresses this vulnerability.

  • What type of vulnerability is CVE-2006-4340?

    CVE-2006-4340 is a cryptographic vulnerability that allows for signature forgery under specific conditions.

  • When was CVE-2006-4340 reported?

    CVE-2006-4340 was reported in September 2006.

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