cisco ios 11.1 vulnerabilities and exploits

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Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.

Cisco Ios 9.1 Cisco Ios 11.0(20.3)Cisco Ios 11.1(15)ca Cisco Ios 11.1(16)Cisco Ios 11.1(16)aa Cisco Ios 11.1(16)ia Cisco Ios 11.1(17)cc Cisco Ios 11.1(17)ct Cisco Ios 11.2(8)sa3 Cisco Ios 11.2(9)p Cisco Ios 11.2(9)xa Cisco Ios 11.2(10)

The on-line help system options in Cisco routers allows non-privileged users without "enabled" access to obtain sensitive information via the show command.

Cisco Ios 9.14 Cisco Ios 11.1 Cisco Ios 11.1(13)Cisco Ios 11.1(13)aa Cisco Ios 11.1(13)ca Cisco Ios 11.1(13)ia Cisco Ios 11.1(15)ca Cisco Ios 11.1(16)Cisco Ios 11.1(16)aa Cisco Ios 11.1(16)ia Cisco Ios 11.1(17)cc Cisco Ios 11.1(17)ct

Cisco IOS 11.2.x and 12.0.x does not limit the size of its redirect table, which allows remote malicious users to cause a denial of service (memory consumption) via spoofed ICMP redirect packets to the router.

Cisco Ios 11.0 Cisco Ios 11.1 Cisco Ios 11.3 Cisco Ios 12.0

1 EDB exploit

Cisco IOS 11.1 up to and including 12.2, when HSRP support is not enabled, allows remote malicious users to cause a denial of service (CPU consumption) via randomly sized UDP packets to the Hot Standby Routing Protocol (HSRP) port 1985.

Cisco Ios 11.1 Cisco Ios 11.2 Cisco Ios 12.0 Cisco Ios 12.1 Cisco Ios 12.2

Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.

Cisco Ios 4.1 Cisco Ios 9.1 Cisco Ios 10.3 Cisco Ios 11.0 Cisco Ios 11.1 Cisco Ios 11.2 Cisco Ios 11.2p

Heap-based buffer overflow in the TFTP server capability in Cisco IOS 11.1, 11.2, and 11.3 allows remote malicious users to cause a denial of service (reset) or modify configuration via a long filename.

Cisco Ios 11.1 Cisco Ios 11.2 Cisco Ios 11.3

1 EDB exploit

Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote malicious users to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.

Cisco Ios 11.1 Cisco Ios 11.1(7)aa Cisco Ios 11.1(7)ca Cisco Ios 11.1(9)ia Cisco Ios 11.1(13)Cisco Ios 11.1(13)aa Cisco Ios 11.1(13)ca Cisco Ios 11.1(13)ia Cisco Ios 11.1(15)aa Cisco Ios 11.1(15)ca Cisco Ios 11.1(15)ia Cisco Ios 11.1(16)aa

1 EDB exploit

Cisco IOS 12.2 and previous versions running Cisco Discovery Protocol (CDP) allows remote malicious users to cause a denial of service (memory consumption) via a flood of CDP neighbor announcements.

Cisco Ios 11.1 Cisco Ios 11.2 Cisco Ios 11.3(11)b Cisco Ios 12.0(5.1)xp Cisco Ios 12.0(19)Cisco Ios 12.1 Cisco Catos 4.5(1)

Unspecified vulnerability in Cisco IOS 12.0 up to and including 12.4 allows context-dependent malicious users to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command. NOTE: unauthentic...

Cisco Cli Cisco Cbos Cisco Cbos 12.1 Cisco Cbos 12.2 Cisco Ids Cisco Ios 10.0 Cisco Ios 10.3 Cisco Ios 11.0 Cisco Ios 11.1 Cisco Ios 11.2 Cisco Ios 12.0 Cisco Ios 12.1

1 EDB exploit

The IOS HTTP service in Cisco routers and switches running IOS 11.1 up to and including 12.1 allows remote malicious users to cause a denial of service by requesting a URL that contains a %% string.

Cisco Ios 11.1 Cisco Ios 11.2 Cisco Ios 11.2(4)f1 Cisco Ios 11.2(8)Cisco Ios 11.2(8)p Cisco Ios 11.2(9)p Cisco Ios 11.2(9)xa Cisco Ios 11.2(10)Cisco Ios 11.2(10)bc Cisco Ios 11.2(17)Cisco Ios 11.2p Cisco Ios 11.3

1 EDB exploit

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