Cisco IOS Data-Link Switching Memory Leak Remote Denial of Service Vulnerability

BID:49829

Info

Cisco IOS Data-Link Switching Memory Leak Remote Denial of Service Vulnerability

Bugtraq ID: 49829
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2011-0945
Remote: Yes
Local: No
Published: Sep 28 2011 12:00AM
Updated: Sep 28 2011 12:00AM
Credit: Cisco
Vulnerable: Cisco IOS XE 3.4
Cisco IOS XE 3.3
Cisco IOS XE 3.2
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 15.1S
Cisco IOS 15.1MR
Cisco IOS 15.1M
Cisco IOS 15.1GC
Cisco IOS 15.1EY
Cisco IOS 15.0SG
Cisco IOS 15.0SE
Cisco IOS 15.0SA
Cisco IOS 15.0MRA
Cisco IOS 15.0MR
Cisco IOS 15.0M
Cisco IOS 12.4YG
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 12.4T
Cisco IOS 12.4SW
Cisco IOS 12.4MRB
Cisco IOS 12.4MR
Cisco IOS 12.4MDB
Cisco IOS 12.4MDA
Cisco IOS 12.4MD
Cisco IOS 12.4JY
Cisco IOS 12.4JX
Cisco IOS 12.4JMB
Cisco IOS 12.4JMA
Cisco IOS 12.4JL
Cisco IOS 12.4JK
Cisco IOS 12.4JHC
Cisco IOS 12.4JHB
Cisco IOS 12.4JHA
Cisco IOS 12.4JDC
Cisco IOS 12.4JDA
Cisco IOS 12.4JAX
Cisco IOS 12.4JA
Cisco IOS 12.4GC
Cisco IOS 12.4
Cisco IOS 12.3ZA
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 12.3YH
Cisco IOS 12.3YG
Cisco IOS 12.3YF
Cisco IOS 12.3YD
Cisco IOS 12.3YA
Cisco IOS 12.3XZ
Cisco IOS 12.3XY
Cisco IOS 12.3XX
Cisco IOS 12.3XW
Cisco IOS 12.3XU
Cisco IOS 12.3XS
Cisco IOS 12.3XR
Cisco IOS 12.3XQ
Cisco IOS 12.3XL
Cisco IOS 12.3XK
Cisco IOS 12.3XJ
Cisco IOS 12.3XI
Cisco IOS 12.3XG
Cisco IOS 12.3XF
Cisco IOS 12.3XE
Cisco IOS 12.3XD
Cisco IOS 12.3XC
Cisco IOS 12.3XB
Cisco IOS 12.3XA
Cisco IOS 12.3VA
Cisco IOS 12.3TPC
Cisco IOS 12.3T
Cisco IOS 12.3JX
Cisco IOS 12.3JL
Cisco IOS 12.3JK
Cisco IOS 12.3JED
Cisco IOS 12.3JEC
Cisco IOS 12.3JEB
Cisco IOS 12.3JEA
Cisco IOS 12.3JA
Cisco IOS 12.3BW
Cisco IOS 12.3BC
Cisco IOS 12.3B
Cisco IOS 12.3
Cisco IOS 12.2ZYA
Cisco IOS 12.2ZY
Cisco IOS 12.2ZX
Cisco IOS 12.2ZU
Cisco IOS 12.2ZP
Cisco IOS 12.2ZL
Cisco IOS 12.2ZJ
Cisco IOS 12.2ZH
Cisco IOS 12.2ZG
Cisco IOS 12.2ZF
Cisco IOS 12.2ZE
Cisco IOS 12.2ZD
Cisco IOS 12.2ZC
Cisco IOS 12.2ZB
Cisco IOS 12.2ZA
Cisco IOS 12.2YZ
Cisco IOS 12.2YY
Cisco IOS 12.2YX
Cisco IOS 12.2YW
Cisco IOS 12.2YV
Cisco IOS 12.2YU
Cisco IOS 12.2YT
Cisco IOS 12.2YS
Cisco IOS 12.2YR
Cisco IOS 12.2YQ
Cisco IOS 12.2YP
Cisco IOS 12.2YO
Cisco IOS 12.2YN
Cisco IOS 12.2YM
Cisco IOS 12.2YL
Cisco IOS 12.2YK
Cisco IOS 12.2YJ
Cisco IOS 12.2YH
Cisco IOS 12.2YG
Cisco IOS 12.2YF
Cisco IOS 12.2YE
Cisco IOS 12.2YD
Cisco IOS 12.2YC
Cisco IOS 12.2YB
Cisco IOS 12.2YA
Cisco IOS 12.2XW
Cisco IOS 12.2XV
Cisco IOS 12.2XU
Cisco IOS 12.2XT
Cisco IOS 12.2XS
Cisco IOS 12.2XR
Cisco IOS 12.2XQ
Cisco IOS 12.2XO
Cisco IOS 12.2XNF
Cisco IOS 12.2XNE
Cisco IOS 12.2XND
Cisco IOS 12.2XNC
Cisco IOS 12.2XNB
Cisco IOS 12.2XNA
Cisco IOS 12.2XN
Cisco IOS 12.2XM
Cisco IOS 12.2XL
Cisco IOS 12.2XK
Cisco IOS 12.2XJ
Cisco IOS 12.2XI
Cisco IOS 12.2XH
Cisco IOS 12.2XG
Cisco IOS 12.2XF
Cisco IOS 12.2XE
Cisco IOS 12.2XD
Cisco IOS 12.2XC
Cisco IOS 12.2XB
Cisco IOS 12.2XA
Cisco IOS 12.2TPC
Cisco IOS 12.2T
Cisco IOS 12.2SZ
Cisco IOS 12.2SY
Cisco IOS 12.2SXJ
Cisco IOS 12.2SXI
Cisco IOS 12.2SXH
Cisco IOS 12.2SXF
Cisco IOS 12.2SXE
Cisco IOS 12.2SXD
Cisco IOS 12.2SXB
Cisco IOS 12.2SXA
Cisco IOS 12.2SX
Cisco IOS 12.2SW
Cisco IOS 12.2SVE
Cisco IOS 12.2SVD
Cisco IOS 12.2SVC
Cisco IOS 12.2SVA
Cisco IOS 12.2SV
Cisco IOS 12.2SU
Cisco IOS 12.2STE
Cisco IOS 12.2SRD
Cisco IOS 12.2SRC
Cisco IOS 12.2SRB
Cisco IOS 12.2SRA
Cisco IOS 12.2SQ
Cisco IOS 12.2SO
Cisco IOS 12.2SM
Cisco IOS 12.2SL
Cisco IOS 12.2SGA
Cisco IOS 12.2SG
Cisco IOS 12.2SEG
Cisco IOS 12.2SEF
Cisco IOS 12.2SEE
Cisco IOS 12.2SED
Cisco IOS 12.2SEC
Cisco IOS 12.2SEB
Cisco IOS 12.2SEA
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 12.2S
Cisco IOS 12.2MC
Cisco IOS 12.2MB
Cisco IOS 12.2JK
Cisco IOS 12.2JA
Cisco IOS 12.2IXH
Cisco IOS 12.2IXG
Cisco IOS 12.2IXF
Cisco IOS 12.2IXE
Cisco IOS 12.2IXD
Cisco IOS 12.2IXC
Cisco IOS 12.2IXB
Cisco IOS 12.2IXA
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 12.2FZ
Cisco IOS 12.2FY
Cisco IOS 12.2FX
Cisco IOS 12.2EZ
Cisco IOS 12.2EY
Cisco IOS 12.2EX
Cisco IOS 12.2EWA
Cisco IOS 12.2EW
Cisco IOS 12.2EU
Cisco IOS 12.2DX
Cisco IOS 12.2DD
Cisco IOS 12.2DA
Cisco IOS 12.2CZ
Cisco IOS 12.2CY
Cisco IOS 12.2CX
Cisco IOS 12.2BZ
Cisco IOS 12.2BY
Cisco IOS 12.2BX
Cisco IOS 12.2BW
Cisco IOS 12.2BC
Cisco IOS 12.2B
Cisco IOS 12.2
Cisco IOS 12.1E
Not Vulnerable: Cisco IOS 15.1(3)T
Cisco IOS 15.1(2)T2a
Cisco IOS 15.1(2)T2
Cisco IOS 15.1(2)S
Cisco IOS 15.1(1)T3
Cisco IOS 15.1(1)S1
Cisco IOS 15.0(1)S4
Cisco IOS 15.0(1)S3a
Cisco IOS 15.0(1)M5a
Cisco IOS 15.0(1)M4
Cisco IOS 12.4(25e)
Cisco IOS 12.4(24)T5
Cisco IOS 12.4(24)GC4
Cisco IOS 12.4(2)XB12
Cisco IOS 12.4(15)XM3
Cisco IOS 12.4(15)XM
Cisco IOS 12.4(15)T15
Cisco IOS 12.3(2)XA7
Cisco IOS 12.3(2)JK3
Cisco IOS 12.2(8)YJ1
Cisco IOS 12.2(50)SY
Cisco IOS 12.2(40)SG
Cisco IOS 12.2(4)YA8
Cisco IOS 12.2(33)SXI6
Cisco IOS 12.2(33)SXH8a
Cisco IOS 12.2(33)SRE3
Cisco IOS 12.2(33)SRD6
Cisco IOS 12.2(33)SCE1
Cisco IOS 12.2(33)SCD7
Cisco IOS 12.2(33)SCD6
Cisco IOS 12.2(33)SCC7
Cisco IOS 12.2(33)SB10
Cisco IOS 12.2(33)IRE3
Cisco IOS 12.2(33)IRD1
Cisco IOS 12.2(31)SB20
Cisco IOS 12.2(30)S
Cisco IOS 12.2(29a)SV
Cisco IOS 12.2(25)SW12
Cisco IOS 12.2(2)B7
Cisco IOS 12.2(18)SXF17b
Cisco IOS 12.2(15)BX
Cisco IOS 12.2(13)ZH6
Cisco IOS 12.2(11)YV1

Discussion

Cisco IOS Data-Link Switching Memory Leak Remote Denial of Service Vulnerability

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

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

This issue is being tracked by Cisco Bug ID CSCth69364.

Exploit / POC

Cisco IOS Data-Link Switching Memory Leak Remote Denial of Service Vulnerability

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

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