CVE-2012-5787: Input Validation
First published: Sun Nov 04 2012(Updated: )
The PayPal merchant SDK 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 merchant SDK |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2012-5787?
CVE-2012-5787 is rated as a medium severity vulnerability due to the potential for man-in-the-middle attacks.
How do I fix CVE-2012-5787?
To fix CVE-2012-5787, ensure that your implementation validates the server hostname against the X.509 certificate's Common Name or subjectAltName.
What types of attacks could exploit CVE-2012-5787?
CVE-2012-5787 can be exploited for man-in-the-middle attacks, allowing attackers to intercept and modify SSL communications.
Which software is affected by CVE-2012-5787?
CVE-2012-5787 affects the PayPal merchant SDK across all versions.
How does CVE-2012-5787 impact SSL security?
CVE-2012-5787 undermines SSL security by allowing attackers to spoof valid certificates, thereby compromising encrypted communications.
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