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CVE-2006-4339

Publication date 5 September 2006

Last updated 24 July 2024


Ubuntu priority

OpenSSL before 0.9.7, 0.9.7 before 0.9.7k, and 0.9.8 before 0.9.8c, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents OpenSSL from correctly verifying X.509 and other certificates that use PKCS #1.

Status

Package Ubuntu Release Status
openssl 7.04 feisty
Fixed 0.9.8b-2ubuntu2
6.10 edgy
Fixed 0.9.8b-2ubuntu2
6.06 LTS dapper
Fixed 0.9.8a-7ubuntu0.3
openssl097 7.04 feisty
Fixed 0.9.7k-3
6.10 edgy
Fixed 0.9.7k-3
6.06 LTS dapper
Fixed 0.9.7g-5ubuntu1.1

References

Related Ubuntu Security Notices (USN)

    • USN-339-1
    • OpenSSL vulnerability
    • 5 September 2006

Other references