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

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CVE-2010-1194

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
31/03/2010
Last modified:
11/04/2025

Description

The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.

Impact

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

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:stafford.uklinux:libesmtp:0.1:-:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.1:a:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.2:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.3:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.4:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.5:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.6:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.6:a:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.7.0:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:stafford.uklinux:libesmtp:0.8.3:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools