curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.
Advisories
Source ID Title
EUVD EUVD EUVD-2014-2558 curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T10:14:26.532Z

Reserved: 2014-03-17T00:00:00

Link: CVE-2014-2522

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2014-04-18T22:14:38.587

Modified: 2025-04-12T10:46:40.837

Link: CVE-2014-2522

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses