CVE-2011-5237: Input Validation
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-5237?
CVE-2011-5237 has a critical severity rating due to its potential for man-in-the-middle attacks.
How do I fix CVE-2011-5237?
To fix CVE-2011-5237, ensure that the PayPal WPS ToolKit is updated to a version that validates server hostnames against X.509 certificates.
What impact does CVE-2011-5237 have on security?
CVE-2011-5237 allows attackers to spoof SSL servers, compromising data confidentiality and integrity.
Which versions of PayPal WPS ToolKit are affected by CVE-2011-5237?
All versions of PayPal WPS ToolKit prior to the fix for CVE-2011-5237 are affected.
Can CVE-2011-5237 be exploited remotely?
Yes, CVE-2011-5237 can be exploited remotely as it allows attackers to conduct man-in-the-middle attacks without needing local access.