CVE-2012-5809 Information

Description

The Groupon Redemptions application for Android 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.

Reference

http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf