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

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CVE-2013-4545

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

Description

cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL, disables the certificate CN and SAN name field verification (CURLOPT_SSL_VERIFYHOST) when the digital signature verification (CURLOPT_SSL_VERIFYPEER) is disabled, 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:N/I:P/A:N CVSS v2.0 Severity and Metrics:

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

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
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:haxx:curl:7.18.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.18.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.18.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.3:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.4:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.5:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.6:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.19.7:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.20.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.20.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.21.1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools