Cisco IOS DHCP Version 6 Server CVE-2012-4623 Denial of Service Vulnerability

BID:55700

Info

Cisco IOS DHCP Version 6 Server CVE-2012-4623 Denial of Service Vulnerability

Bugtraq ID: 55700
Class: Design Error
CVE: CVE-2012-4623
Remote: Yes
Local: No
Published: Sep 26 2012 12:00AM
Updated: Mar 19 2015 08:40AM
Credit: Cisco
Vulnerable: Cisco IOS XE 2.6.2
Cisco IOS XE 2.6.1
Cisco IOS XE 2.5.2
Cisco IOS XE 2.5.1
Cisco IOS XE 2.4.1
Cisco IOS XE 2.4
Cisco IOS XE 2.3.2
Cisco IOS XE 2.3.1 t
Cisco IOS XE 2.3.1
Cisco IOS XE 2.2.3
Cisco IOS XE 3.3.xS
Cisco IOS XE 3.3.2S
Cisco IOS XE 3.3
Cisco IOS XE 3.2.xSG
Cisco IOS XE 3.2.xS
Cisco IOS XE 3.2.0SG
Cisco IOS XE 3.2
Cisco IOS XE 3.1xSG
Cisco IOS XE 3.1.xS
Cisco IOS XE 3.1
Cisco IOS XE 2.6
Cisco IOS XE 2.5
Cisco IOS XE 2.4
Cisco IOS XE 2.3
Cisco IOS XE 2.2
Cisco IOS XE 2.1
Cisco Ios 15.2T
Cisco Ios 15.2(1)GC2
Cisco Ios 15.1SNH
Cisco Ios 15.1SNG
Cisco IOS 15.1S
Cisco IOS 15.1MR
Cisco IOS 15.1M
Cisco IOS 15.1EY
Cisco Ios 15.0SY
Cisco IOS 15.0SG
Cisco IOS 15.0SE
Cisco IOS 15.0MRA
Cisco IOS 15.0MR
Cisco Ios 15.0(1)M8
Cisco IOS 15.0(1)M7
Cisco IOS 15.0(1)M5
Cisco IOS 15.0(1)M4
Cisco IOS 15.0(1)M2
Cisco IOS 15.0(1)M1
Cisco IOS 15.0(1)M1
Cisco IOS 12.4YE
Cisco IOS 12.4YD
Cisco IOS 12.4YB
Cisco IOS 12.4YA
Cisco IOS 12.4XZ
Cisco IOS 12.4XY
Cisco IOS 12.4XW
Cisco IOS 12.4XV
Cisco IOS 12.4XT
Cisco IOS 12.4XR
Cisco IOS 12.4XQ
Cisco IOS 12.4XP
Cisco IOS 12.4XN
Cisco IOS 12.4XM
Cisco IOS 12.4XL
Cisco IOS 12.4XK
Cisco IOS 12.4XJ
Cisco IOS 12.4XG
Cisco IOS 12.4XF
Cisco IOS 12.4XE
Cisco IOS 12.4XD
Cisco IOS 12.4XC
Cisco IOS 12.4XB
Cisco IOS 12.4XA
Cisco IOS 12.4
Cisco IOS 12.3YZ
Cisco IOS 12.3YX
Cisco IOS 12.3YU
Cisco IOS 12.3YT
Cisco IOS 12.3YS
Cisco IOS 12.3YQ
Cisco IOS 12.3YM
Cisco IOS 12.3YK
Cisco IOS 12.3YJ
Cisco IOS 12.3YI
Cisco IOS 12.3YG
Cisco IOS 12.3YF
Cisco IOS 12.3YD
Cisco IOS 12.2SE
Cisco IOS 12.2SCF
Cisco IOS 12.2SCE
Cisco IOS 12.2SCB
Cisco IOS 12.2SCA
Cisco IOS 12.2SBC
Cisco IOS 12.2SB
Cisco Ios 12.2IRH
Cisco IOS 12.2IRG
Cisco IOS 12.2IRF
Cisco IOS 12.2IRD
Cisco IOS 12.2IRC
Cisco IOS 12.2IRB
Cisco IOS 12.2IRA
Cisco Ios 12.2(33)SCF2
Cisco Ios 12.2(33)SCF
Not Vulnerable:

Discussion

Cisco IOS DHCP Version 6 Server CVE-2012-4623 Denial of Service Vulnerability

Cisco IOS is prone to a denial-of-service vulnerability.

An attacker can exploit this issue to cause the affected device to reload, denying service to legitimate users.

This issue is tracked by Cisco Bug ID CSCto57723.

Exploit / POC

Cisco IOS DHCP Version 6 Server CVE-2012-4623 Denial of Service Vulnerability

To exploit this issue, attackers can use readily available network utilities.

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