var-201503-0119
Vulnerability from variot

The Common Flow Table (CFT) feature in Cisco IOS XE 3.6 and 3.7 before 3.7.1S, 3.8 before 3.8.0S, 3.9 before 3.9.0S, 3.10 before 3.10.0S, 3.11 before 3.11.0S, 3.12 before 3.12.0S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S, when MMON or NBAR is enabled, allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets with IPv4 UDP encapsulation, aka Bug ID CSCua79665. Cisco IOS is a popular Internet operating system. Cisco IOS XE Software is prone to multiple denial-of-service vulnerabilities. An attacker can exploit these issues to cause an affected device to reload, resulting in a denial of service condition. These issues are being tracked by Cisco Bug IDs CSCuo25741, CSCub68073, CSCua79665 and CSCuq59131. The vulnerability stems from the program's improper handling of IPv6 packets encapsulated in IPv4 UDP packets. The following versions are affected: Cisco IOS XE Release 3.6, Release 3.7 prior to 3.7.1S, Release 3.8 prior to 3.8.0S, Release 3.9 prior to 3.9.0S, Release 3.10 prior to 3.10.0S, Release 3.11 prior to 3.11.0S, Release 3.12.0S prior to Version 3.12, Version 3.13 before 3.13.0S, Version 3.14 before 3.14.0S, Version 3.15 before 3.15.0S

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