Unvalidated X.509 Certificates in Apple iOS CalDAV Allows Man-in-the-Middle Attacks

CVE-2011-3253 · LOW Severity

AV:N/AC:H/AU:N/C:P/I:N/A:N

CalDAV in Apple iOS before 5 does not validate X.509 certificates for SSL sessions, which allows man-in-the-middle attackers to spoof calendar servers and obtain sensitive information via an arbitrary certificate.

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