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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2011-1923

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
20/06/2012
Last modified:
11/04/2025

Description

The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095.

Impact

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

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:N

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

Base Score 2.0
4.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:polarssl:polarssl:*:*:*:*:*:*:*:* 0.14.0 (including)
cpe:2.3:a:polarssl:polarssl:0.10.0:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:0.10.1:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:0.11.0:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:0.11.1:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:0.12.0:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:0.12.1:*:*:*:*:*:*:*
cpe:2.3:a:polarssl:polarssl:0.13.1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools