high
7.8
CWE
399
Advisory Published
Updated

CVE-2006-2940

First published: Thu Sep 28 2006(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenSSL OpenSSL=0.9.5a-beta2
OpenSSL OpenSSL=0.9.8b
OpenSSL OpenSSL=0.9.6i
OpenSSL OpenSSL=0.9.3
OpenSSL OpenSSL=0.9.8c
OpenSSL OpenSSL=0.9.7c
OpenSSL OpenSSL=0.9.5-beta1
OpenSSL OpenSSL=0.9.6d
OpenSSL OpenSSL=0.9.1c
OpenSSL OpenSSL=0.9.6
OpenSSL OpenSSL=0.9.7j
OpenSSL OpenSSL=0.9.6a
OpenSSL OpenSSL=0.9.4
OpenSSL OpenSSL=0.9.6a-beta2
OpenSSL OpenSSL=0.9.5a
OpenSSL OpenSSL=0.9.6f
OpenSSL OpenSSL=0.9.6-beta3
OpenSSL OpenSSL=0.9.6l
OpenSSL OpenSSL=0.9.7k
OpenSSL OpenSSL=0.9.7g
OpenSSL OpenSSL=0.9.6e
OpenSSL OpenSSL=0.9.7d
OpenSSL OpenSSL=0.9.7
OpenSSL OpenSSL=0.9.6b
OpenSSL OpenSSL=0.9.7e
OpenSSL OpenSSL=0.9.7b
OpenSSL OpenSSL=0.9.6a-beta1
OpenSSL OpenSSL=0.9.6k
OpenSSL OpenSSL=0.9.8a
OpenSSL OpenSSL=0.9.6g
OpenSSL OpenSSL=0.9.6-beta2
OpenSSL OpenSSL=0.9.3a
OpenSSL OpenSSL=0.9.6h
OpenSSL OpenSSL=0.9.7i
OpenSSL OpenSSL=0.9.7h
OpenSSL OpenSSL=0.9.6j
OpenSSL OpenSSL=0.9.8
OpenSSL OpenSSL=0.9.7a
OpenSSL OpenSSL=0.9.6c
OpenSSL OpenSSL=0.9.6-beta1
OpenSSL OpenSSL=0.9.6m
OpenSSL OpenSSL=0.9.5-beta2
OpenSSL OpenSSL=0.9.2b
OpenSSL OpenSSL=0.9.5
OpenSSL OpenSSL=0.9.5a-beta1
OpenSSL OpenSSL=0.9.6a-beta3
OpenSSL OpenSSL=0.9.7f

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