Description
The TRE library in Libc in Apple iOS before 8.4.1 and OS X before 10.10.5 allows context-dependent attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted regular expression, a different vulnerability than CVE-2015-3796 and CVE-2015-3797.
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.
Exploit-DB 1
- Apple Mac OSX Regex Engine (TRE) - Integer Signedness / Overflow EDB-38262 · dos · Sep 22, 2015 · verified
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/kb/HT205030
- 1033275 vdb-entry
- APPLE-SA-2015-08-13-2 vendor-advisory
- APPLE-SA-2015-08-13-3 vendor-advisory
- 38262 exploit
- https://support.apple.com/kb/HT205031
- 76343 vdb-entry
- https://code.google.com/p/google-security-research/issues/detail?id=429