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CVE-2006-2940

Impact:
Moderate
Public Date:
2006-09-28
Bugzilla:
430654: CVE-2006-2940 openssl public key DoS

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2006-2940 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 2.1 RHSA-2006:0695 2006-09-28
Red Hat Satellite 5.1 (RHEL v.4 AS) (rhn-solaris-bootstrap) RHSA-2008:0629 2008-08-13
Red Hat Enterprise Linux 4 RHSA-2006:0695 2006-09-28
Red Hat Satellite 5.0 (RHEL v.4 AS) (rhn-solaris-bootstrap) RHSA-2008:0264 2008-05-20
Red Hat Satellite v 4.2 (RHEL v.3 AS) RHSA-2008:0525 2008-06-30
Red Hat Satellite v 4.2 (RHEL v.4 AS) RHSA-2008:0525 2008-06-30
Red Hat Enterprise Linux 3 RHSA-2006:0695 2006-09-28

Affected Packages State

Platform Package State
Red Hat Linux Advanced Workstation 2.1 openssl095a 0.9.5a-32 Fixed
Red Hat Linux Advanced Workstation 2.1 openssl096 0.9.6-32 Fixed
Red Hat Enterprise Linux version 4 openssl 0.9.7a-43.14 Fixed
Red Hat Enterprise Linux version 4 openssl096b 0.9.6b-22.46 Fixed
Red Hat Enterprise Linux version 3 openssl 0.9.7a-33.21 Fixed
Red Hat Enterprise Linux version 3 openssl096b 0.9.6b-16.46 Fixed
Red Hat Enterprise Linux version 2.1 openssl 0.9.6b-46 Fixed

Last Modified