Description
The NSURL implementation in the CFNetwork SSL component in Apple iOS before 9 does not properly verify X.509 certificates from SSL servers after a certificate change, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
References
- 1033609 vdb-entry
- https://support.apple.com/HT205212
- APPLE-SA-2015-09-30-3 vendor-advisory
- 76764 vdb-entry
- https://support.apple.com/HT205267
- APPLE-SA-2015-09-21-1 vendor-advisory
- https://support.apple.com/HT205213
- APPLE-SA-2015-09-16-1 vendor-advisory