CVE-2014-2522: Input Validation

First published: Fri Apr 18 2014(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Haxx Curl	=7.27.0
Haxx Curl	=7.28.0
Haxx Curl	=7.28.1
Haxx Curl	=7.29.0
Haxx Curl	=7.30.0
Haxx Curl	=7.31.0
Haxx Curl	=7.32.0
Haxx Curl	=7.33.0
Haxx Curl	=7.34.0
Haxx Curl	=7.35.0
Haxx Libcurl	=7.27.0
Haxx Libcurl	=7.28.0
Haxx Libcurl	=7.28.1
Haxx Libcurl	=7.29.0
Haxx Libcurl	=7.30.0
Haxx Libcurl	=7.31.0
Haxx Libcurl	=7.32.0
Haxx Libcurl	=7.33.0
Haxx Libcurl	=7.34.0
Haxx Libcurl	=7.35.0
Haxx Libcurl	=7.36.0
Microsoft Windows

Remedy

http://curl.haxx.se/docs/adv_20140326D.html

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