CVE-2006-4340 Security feature bypass in n/a

What is CVE-2006-4340?

CVE-2006-4340 is a medium-severity vulnerability in Mozilla Firefox, published on 15 Sep 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-20

Which versions are affected by CVE-2006-4340?

It affects 4 products.

Products include Mozilla Firefox, Mozilla Network Security Services, Mozilla Seamonkey, Mozilla Thunderbird.

How do I fix CVE-2006-4340?

Upgrade to a fixed version.

Is CVE-2006-4340 being exploited?

There is no known exploitation of CVE-2006-4340 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CVE-2006-4341, DEBIAN-CVE-2006-4340, GHSA-q7vf-rjwh-chxv.