Describe CVE-2017-9587.
What is CVE-2017-9587?
The "PCSB BANK Mobile" by PCSB Bank app 3.0.4 -- aka pcsb-bank-mobile/id1067472090 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate..