Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2013-1623

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
08/02/2013
Last modified:
11/04/2025

Description

The TLS and DTLS implementations in wolfSSL CyaSSL before 2.5.0 do not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.

Impact

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

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

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

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:yassl:cyassl:*:*:*:*:*:*:*:* 2.4.6 (including)
cpe:2.3:a:yassl:cyassl:0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.5.5:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.6.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.9.0:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:0.9.9:*:*:*:*:*:*:*
cpe:2.3:a:yassl:cyassl:1.0.0:rc1:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools