Description
CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service (reboot and messaging disruption) via crafted Unicode text that is not properly handled during display truncation in the Notifications feature, as demonstrated by Arabic characters in (1) an SMS message or (2) a WhatsApp message.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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perillamint/CVE-2015-1157 ★ 3 · Oct 14, 2015
CVE-2015-1157 telnet server
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://support.apple.com/HT205221
- 75491 vdb-entry
- http://support.apple.com/kb/HT204941
- http://www.reddit.com/r/apple/comments/37e8c1/malicious_text_message/
- https://ghostbin.com/paste/zws9m
- http://www.reddit.com/r/apple/comments/37enow/about_the_latest_iphone_security_vulnerability/
- 1032408 vdb-entry
- APPLE-SA-2015-06-30-2 vendor-advisory
- http://9to5mac.com/2015/05/27/how-to-fix-ios-text-message-bug-crash-reboot/
- http://www.reddit.com/r/explainlikeimfive/comments/37edde/eli5_how_that_text_you_can_send_to_friends_turns/
- APPLE-SA-2015-09-16-3 vendor-advisory
- http://support.apple.com/kb/HT204942
- APPLE-SA-2015-06-30-1 vendor-advisory
- http://zanzebek.com/a-simple-text-message-can-ruin-any-iphone/
- http://www.ibtimes.co.uk/apple-ios-bug-sees-message-app-crash-iphone-reboot-simply-by-receiving-message-1503083