CVE-2013-4545

curl: TLS/SSL certificate name check disabled with peer verification

Published Nov 23, 2013 CVSS 2.0 · 4.3 Medium EPSS 3.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2798-1 curl security update
Debian DSA Debian DSA DSA-2798-2 curl security update
EUVD EUVD EUVD-2013-4404 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.
Ubuntu USN Ubuntu USN USN-2048-1 curl vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 4:45 PM
Reserved
Jun 12, 2013, 12:00 AM
Status
Modified
Published
Nov 23, 2013, 11:55 AM
Modified
Jun 16, 2026, 11:57 PM
Severity
Low
Public date
Nov 15, 2013, 12:00 AM