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.
Published: 2013-11-23
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T16:45:14.830Z

Reserved: 2013-06-12T00:00:00.000Z

Link: CVE-2013-4545

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-11-23T11:55:04.740

Modified: 2026-04-29T01:13:23.040

Link: CVE-2013-4545

cve-icon Redhat

Severity : Low

Publid Date: 2013-11-15T00:00:00Z

Links: CVE-2013-4545 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses