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CVE-2006-2940

Publication date 28 September 2006

Last updated 24 July 2024


Ubuntu priority

OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows attackers to cause a denial of service (CPU consumption) via parasitic public keys with large (1) "public exponent" or (2) "public modulus" values in X.509 certificates that require extra time to process when using RSA signature verification.

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-353-1
    • openssl vulnerabilities
    • 29 September 2006
    • USN-353-2
    • OpenSSL vulnerability
    • 5 October 2006

Other references