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.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-asa-ike | vendor advisory |
| http://packetstormsecurity.com/files/137100/Cisco-ASA-Software-IKEv1-IKEv2-Buffer-Overflow.html | exploit vdb entry third party advisory |
| http://www.securitytracker.com/id/1034997 | vdb entry third party advisory |
| https://blog.exodusintel.com/2016/02/10/firewall-hacking/ | exploit third party advisory technical description |
| https://www.kb.cert.org/vuls/id/327976 | third party advisory us government resource |
| https://www.exploit-db.com/exploits/39823/ | exploit vdb entry third party advisory |