Description
Buffer overflow in the IKEv1 and IKEv2 implementations in Cisco ASA Software before 8.4(7.30), 8.7 before 8.7(1.18), 9.0 before 9.0(4.38), 9.1 before 9.1(7), 9.2 before 9.2(4.5), 9.3 before 9.3(3.7), 9.4 before 9.4(2.4), and 9.5 before 9.5(2.2) on ASA 5500 devices, ASA 5500-X devices, ASA Services Module for Cisco Catalyst 6500 and Cisco 7600 devices, ASA 1000V devices, Adaptive Security Virtual Appliance (aka ASAv), Firepower 9300 ASA Security Module, and ISA 3000 devices allows remote attackers to execute arbitrary code or cause a denial of service (device reload) via crafted UDP packets, aka Bug IDs CSCux29978 and CSCux42019.
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.
Exploit-DB 1
- Cisco ASA Software 8.x/9.x - IKEv1 / IKEv2 Buffer Overflow EDB-39823 · remote · May 17, 2016 · verified
GitHub 2 repositories
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NetSPI/asa_tools ★ 32 · Sep 8, 2016
Verification tools for CVE-2016-1287
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jgajek/killasa ★ 16 · Feb 15, 2016
CVE-2016-1287 vulnerability test
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20160210 Cisco ASA Software IKEv1 and IKEv2 Buffer Overflow Vulnerability vendor-advisory
- http://packetstormsecurity.com/files/137100/Cisco-ASA-Software-IKEv1-IKEv2-Buffer-Overflow.html
- 1034997 vdb-entry
- https://blog.exodusintel.com/2016/02/10/firewall-hacking/
- VU#327976 third-party-advisory
- 39823 exploit