CVE-2014-2735: Input Validation
WinSCP before 5.5.3, when FTP with TLS is used, 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, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2014-2735?
CVE-2014-2735 is classified as a high severity vulnerability due to its potential for man-in-the-middle attacks.
How do I fix CVE-2014-2735?
To fix CVE-2014-2735, upgrade WinSCP to version 5.5.3 or later.
What software is affected by CVE-2014-2735?
CVE-2014-2735 affects WinSCP versions prior to 5.5.3, including 5.5, 5.5.1, and 5.5.2.
What kind of attack does CVE-2014-2735 allow?
CVE-2014-2735 allows man-in-the-middle attackers to spoof SSL servers with arbitrary valid certificates.
Why is hostname verification important in the context of CVE-2014-2735?
Hostname verification is crucial because it ensures that the server’s certificate matches the expected domain, preventing man-in-the-middle attacks.