Description
The X.509 certificate-trust implementation in Apple iOS before 9.1 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked certificate.
References (6)
Core 6
Core References
Vendor Advisory vendor-advisory
x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Oct/msg00002.html
Vendor Advisory vendor-advisory
x_refsource_apple
http://lists.apple.com/archives/security-announce/2015/Dec/msg00002.html
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205370
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT205641
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1033929
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/77268
Scores
EPSS
0.0090
EPSS Percentile
56.0%
Details
CWE
CWE-254
Status
published
Products (2)
apple/iphone_os
< 9.0.2
apple/watchos
< 2.0
Published
Oct 23, 2015
Tracked Since
Feb 18, 2026