Description
The TCP implementation in the kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 does not properly implement the Urgent (aka out-of-band data) mechanism, which allows remote attackers to cause a denial of service via crafted packets.
References
- https://support.apple.com/HT204659
- https://support.apple.com/kb/HT204870
- APPLE-SA-2015-04-08-3 vendor-advisory
- 1032048 vdb-entry
- APPLE-SA-2015-04-08-2 vendor-advisory
- https://support.apple.com/HT204662
- APPLE-SA-2015-04-08-4 vendor-advisory
- https://support.apple.com/HT204661