Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2006-2659

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/05/2006
Last modified:
03/04/2025

Description

libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.

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:double_precision_incorporated:courier_mta:*:*:*:*:*:*:*:* 0.44.2 (including)
cpe:2.3:a:double_precision_incorporated:courier_mta:0.37.3:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.38.1:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.40:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.43:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.43.1:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.43.2:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mta:0.44:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools