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

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CVE-2012-5662

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
27/05/2014
Last modified:
12/04/2025

Description

x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Impact

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

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:paul_mattes:x3270:*:ga11:*:*:*:*:*:* 3.3.12 (including)
cpe:2.3:a:paul_mattes:x3270:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.6:*:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.7:*:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.8:-:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.8:p1:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.8:p2:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.8:p3:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.9:ga11:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.9:ga12:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.10:ga3:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.10:ga4:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.10:ga5:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.11:beta2:*:*:*:*:*:*
cpe:2.3:a:paul_mattes:x3270:3.3.11:beta4:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools