CWE
20
Advisory Published
CVE Published
Updated

CVE-2011-5237: Input Validation

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 SoftwareAffected VersionHow to fix
PayPal WPS ToolKit

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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.

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