First published: Tue Nov 06 2012(Updated: )
PayPal WPS ToolKit 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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
PayPal WPS ToolKit |
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CVE-2011-5237 has a critical severity rating due to its potential for man-in-the-middle attacks.
To fix CVE-2011-5237, ensure that the PayPal WPS ToolKit is updated to a version that validates server hostnames against X.509 certificates.
CVE-2011-5237 allows attackers to spoof SSL servers, compromising data confidentiality and integrity.
All versions of PayPal WPS ToolKit prior to the fix for CVE-2011-5237 are affected.
Yes, CVE-2011-5237 can be exploited remotely as it allows attackers to conduct man-in-the-middle attacks without needing local access.