CVE-2006-2940

Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 28 Sept 2006, 18:00
Last modified:07 Aug 2024, 18:06

Vulnerability Summary

Overall Risk (default)
medium
32/100
CVSS Score
7.8 HIGH
v2.0 (nvd)
EPSS Score
2.91% LOW
3% probability -8.89%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Sept 2006, 18:00
Published
Vulnerability first disclosed
07 Aug 2024, 18:06
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 2.91%• Percentile: 87%

Techniques & Countermeasures

  • CWE-399•Resource Management Errors

    Weaknesses in this category are related to improper management of system resources.

Affected Systems

  • Unknown•OpenSSL

    0.9.1c | 0.9.2b | 0.9.3 | 0.9.3a | 0.9.4 | 0.9.5 | 0.9.5:beta1 | 0.9.5:beta2 | 0.9.5a | 0.9.5a:beta1 | 0.9.5a:beta2 | 0.9.6 | 0.9.6:beta1 | 0.9.6:beta2 | 0.9.6:beta3 | 0.9.6a | 0.9.6a:beta1 | 0.9.6a:beta2 | 0.9.6a:beta3 | 0.9.6b | 0.9.6c | 0.9.6d | 0.9.6e | 0.9.6f | 0.9.6g | 0.9.6h | 0.9.6i | 0.9.6j | 0.9.6k | 0.9.6l | 0.9.6m | 0.9.7 | 0.9.7a | 0.9.7b | 0.9.7c | 0.9.7d | 0.9.7e | 0.9.7f | 0.9.7g | 0.9.7h | 0.9.7i | 0.9.7j | 0.9.7k | 0.9.8 | 0.9.8a | 0.9.8b | 0.9.8c

References (142)