Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2013-6449

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
23/12/2013
Last modified:
11/04/2025

Description

The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.

Impact

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

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

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* 1.0.1e (including)
cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0:beta5:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0b:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0c:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0d:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0e:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0f:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0g:*:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:1.0.0h:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools