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Improper Certificate Validation in apache HttpClient

Description

Apache Commons HttpClient 3.x, as used in Amazon Flexible Payments Service (FPS) merchant Java SDK and other products, 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


CPE Name Name Version
org.apache.httpcomponents:httpclient 3.0
org.apache.httpcomponents:httpclient 4.0

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