Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2006-2940

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
28/09/2006
Last modified:
18/10/2018

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools