CVE-2006-2940

Publication date 28 September 2006

Last updated 17 July 2025


Ubuntu priority

Description

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 in 0.9.8b-2ubuntu2
6.10 edgy
Fixed in 0.9.8b-2ubuntu2
6.06 LTS dapper
Fixed in 0.9.8a-7ubuntu0.3
openssl097 7.04 feisty
Fixed in 0.9.7k-3
6.10 edgy
Fixed in 0.9.7k-3
6.06 LTS dapper
Fixed in 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


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