Vulnerability Monitor

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CVE-2006-2940

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.

Published

2006-09-28T18:07:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openssl openssl 0.9.1c Yes
Application openssl openssl 0.9.2b Yes
Application openssl openssl 0.9.3 Yes
Application openssl openssl 0.9.3a Yes
Application openssl openssl 0.9.4 Yes
Application openssl openssl 0.9.5 Yes
Application openssl openssl 0.9.5 Yes
Application openssl openssl 0.9.5 Yes
Application openssl openssl 0.9.5a Yes
Application openssl openssl 0.9.5a Yes
Application openssl openssl 0.9.5a Yes
Application openssl openssl 0.9.6 Yes
Application openssl openssl 0.9.6 Yes
Application openssl openssl 0.9.6 Yes
Application openssl openssl 0.9.6 Yes
Application openssl openssl 0.9.6a Yes
Application openssl openssl 0.9.6a Yes
Application openssl openssl 0.9.6a Yes
Application openssl openssl 0.9.6a Yes
Application openssl openssl 0.9.6b Yes
Application openssl openssl 0.9.6c Yes
Application openssl openssl 0.9.6d Yes
Application openssl openssl 0.9.6e Yes
Application openssl openssl 0.9.6f Yes
Application openssl openssl 0.9.6g Yes
Application openssl openssl 0.9.6h Yes
Application openssl openssl 0.9.6i Yes
Application openssl openssl 0.9.6j Yes
Application openssl openssl 0.9.6k Yes
Application openssl openssl 0.9.6l Yes
Application openssl openssl 0.9.6m Yes
Application openssl openssl 0.9.7 Yes
Application openssl openssl 0.9.7a Yes
Application openssl openssl 0.9.7b Yes
Application openssl openssl 0.9.7c Yes
Application openssl openssl 0.9.7d Yes
Application openssl openssl 0.9.7e Yes
Application openssl openssl 0.9.7f Yes
Application openssl openssl 0.9.7g Yes
Application openssl openssl 0.9.7h Yes
Application openssl openssl 0.9.7i Yes
Application openssl openssl 0.9.7j Yes
Application openssl openssl 0.9.7k Yes
Application openssl openssl 0.9.8 Yes
Application openssl openssl 0.9.8a Yes
Application openssl openssl 0.9.8b Yes
Application openssl openssl 0.9.8c Yes
References