CVE-2011-0945

Severity

78%

Complexity

99%

Confidentiality

115%

Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.

Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.

CVSS 2.0 Base Score 7.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C).

Overview

Type

Cisco IOS

First reported 13 years ago

2011-10-03 23:55:00

Last updated 12 years ago

2012-05-14 04:00:00

Affected Software

Cisco IOS 12.1

12.1

Cisco IOS 12.1T

12.1t

Cisco IOS 12.1XI

12.1xi

Cisco IOS 12.1XJ

12.1xj

Cisco IOS 12.1XL

12.1xl

Cisco IOS 12.1XM

12.1xm

Cisco IOS 12.1XP

12.1xp

Cisco IOS 12.1XQ

12.1xq

Cisco IOS 12.1XR

12.1xr

Cisco IOS 12.1XS

12.1xs

Cisco IOS 12.1XT

12.1xt

Cisco IOS 12.1XU

12.1xu

Cisco IOS 12.1XV

12.1xv

Cisco IOS 12.1XY

12.1xy

Cisco IOS 12.1YA

12.1ya

Cisco IOS 12.1YB

12.1yb

Cisco IOS 12.1YC

12.1yc

Cisco IOS 12.1YD

12.1yd

Cisco IOS 12.1YE

12.1ye

Cisco IOS 12.1YF

12.1yf

Cisco IOS 12.1YH

12.1yh

Cisco IOS 12.1YI

12.1yi

Cisco IOS 12.2B

12.2b

Cisco IOS 12.2BW

12.2bw

Cisco IOS 12.2BX

12.2bx

Cisco IOS 12.2BY

12.2by

Cisco IOS 12.2CZ

12.2cz

Cisco IOS 12.2DD

12.2dd

Cisco IOS 12.2DX

12.2dx

Cisco IOS 12.2EX

12.2ex

Cisco IOS 12.2IRA

12.2ira

Cisco IOS 12.2IRB

12.2irb

Cisco IOS 12.2IRC

12.2irc

Cisco IOS 12.2IRD

12.2ird

Cisco IOS 12.2IRE

12.2ire

Cisco IOS 12.2IXA

12.2ixa

Cisco IOS 12.2IXB

12.2ixb

Cisco IOS 12.2IXC

12.2ixc

Cisco IOS 12.2IXD

12.2ixd

Cisco IOS 12.2IXE

12.2ixe

Cisco IOS 12.2IXF

12.2ixf

Cisco IOS 12.2IXG

12.2ixg

Cisco IOS 12.2IXH

12.2ixh

Cisco IOS 12.2MRA

12.2mra

Cisco IOS 12.2MRB

12.2mrb

Cisco IOS 12.2SBC

12.2sbc

Cisco IOS 12.2SCA

12.2sca

Cisco IOS 12.2SCB

12.2scb

Cisco IOS 12.2SCC

12.2scc

Cisco IOS 12.2SCD

12.2scd

Cisco IOS 12.2SG

12.2sg

Cisco IOS 12.2SRA

12.2sra

Cisco IOS 12.2SRB

12.2srb

Cisco IOS 12.2SRE

12.2sre

Cisco IOS 12.2SU

12.2su

Cisco IOS 12.2SV

12.2sv

Cisco IOS 12.2SXA

12.2sxa

Cisco IOS 12.2SXB

12.2sxb

Cisco IOS 12.2SXD

12.2sxd

Cisco IOS 12.2SXE

12.2sxe

Cisco IOS 12.2SXF

12.2sxf

Cisco IOS 12.2SY

12.2sy

Cisco IOS 12.2SZ

12.2sz

Cisco IOS 12.2T

12.2t

Cisco IOS 12.2TPC

12.2tpc

Cisco IOS 12.2XA

12.2xa

Cisco IOS 12.2XB

12.2xb

Cisco IOS 12.2XC

12.2xc

Cisco IOS 12.2XD

12.2xd

Cisco IOS 12.2XG

12.2xg

Cisco IOS 12.2XH

12.2xh

Cisco IOS 12.2XI

12.2xi

Cisco IOS 12.2XJ

12.2xj

Cisco IOS 12.2XK

12.2xk

Cisco IOS 12.2XL

12.2xl

Cisco IOS 12.2XM

12.2xm

Cisco IOS 12.2XN

12.2xn

Cisco IOS 12.2XQ

12.2xq

Cisco IOS 12.2XS

12.2xs

Cisco IOS 12.2XT

12.2xt

Cisco IOS 12.2XU

12.2xu

Cisco IOS 12.2XV

12.2xv

Cisco IOS 12.2XW

12.2xw

Cisco IOS 12.2YA

12.2ya

Cisco IOS 12.2YB

12.2yb

Cisco IOS 12.2YC

12.2yc

Cisco IOS 12.2YD

12.2yd

Cisco IOS 12.2YE

12.2ye

Cisco IOS 12.2YF

12.2yf

Cisco IOS 12.2YH

12.2yh

Cisco IOS 12.2YJ

12.2yj

Cisco IOS 12.2YK

12.2yk

Cisco IOS 12.2YL

12.2yl

Cisco IOS 12.2YM

12.2ym

Cisco IOS 12.2YN

12.2yn

Cisco IOS 12.2YT

12.2yt

Cisco IOS 12.2YU

12.2yu

Cisco IOS 12.2YV

12.2yv

Cisco IOS 12.2YW

12.2yw

Cisco IOS 12.2YX

12.2yx

Cisco IOS 12.2YY

12.2yy

Cisco IOS 12.2YZ

12.2yz

Cisco IOS 12.2ZC

12.2zc

Cisco IOS 12.2ZD

12.2zd

Cisco IOS 12.2ZE

12.2ze

Cisco IOS 12.2ZF

12.2zf

Cisco IOS 12.2ZH

12.2zh

Cisco IOS 12.2ZJ

12.2zj

Cisco IOS 12.2ZL

12.2zl

Cisco IOS 12.2ZP

12.2zp

Cisco IOS 12.2ZU

12.2zu

Cisco IOS 12.2ZY

12.2zy

Cisco IOS 12.2ZYA

12.2zya

Cisco IOS 12.3

12.3

Cisco IOS 12.3B

12.3b

Cisco IOS 12.3T

12.3t

Cisco IOS 12TPC

12.3tpc

Cisco IOS 12.3VA

12.3va

Cisco IOS 12.3XA

12.3xa

Cisco IOS 12.3XB

12.3xb

Cisco IOS 12.3XC

12.3xc

Cisco IOS 12.3XD

12.3xd

Cisco IOS 12.3XE

12.3xe

Cisco IOS 12.3XF

12.3xf

Cisco IOS 12.3XG

12.3xg

Cisco IOS 12.3XI

12.3xi

Cisco IOS 12.3XJ

12.3xj

Cisco IOS 12.3XK

12.3xk

Cisco IOS 12.3XL

12.3xl

Cisco IOS 12.3XQ

12.3xq

Cisco IOS 12.3XR

12.3xr

Cisco IOS 12.3XS

12.3xs

Cisco IOS 12.3XU

12.3xu

Cisco IOS 12.3XW

12.3xw

Cisco IOS 12.3XX

12.3xx

Cisco IOS 12.3XY

12.3xy

Cisco IOS 12.3XZ

12.3xz

Cisco IOS 12.3YA

12.3ya

Cisco IOS 12.3YD

12.3yd

Cisco IOS 12.3YF

12.3yf

Cisco IOS 12.3YG

12.3yg

Cisco IOS 12.3YH

12.3yh

Cisco IOS 12.3YI

12.3yi

Cisco IOS 12.3YJ

12.3yj

Cisco IOS 12.3YK

12.3yk

Cisco IOS 12.3YM

12.3ym

Cisco IOS 12.3YQ

12.3yq

Cisco IOS 12.3YS

12.3ys

Cisco IOS 12.3YT

12.3yt

Cisco IOS 12.3YU

12.3yu

Cisco IOS 12.3YX

12.3yx

Cisco IOS 12.3YZ

12.3yz

Cisco IOS 12.3ZA

12.3za

Cisco IOS 12.4

12.4

Cisco IOS 12.4GC

12.4gc

Cisco IOS 12.4 MD

12.4md

Cisco IOS 12.4 MDA

12.4mda

Cisco IOS 12.4MR

12.4mr

Cisco IOS 12.4MRA

12.4mra

Cisco IOS 12.4SW

12.4sw

Cisco IOS 12.4T

12.4t

Cisco IOS 12.4XA

12.4xa

Cisco IOS 12.4XB

12.4xb

Cisco IOS 12.4XC

12.4xc

Cisco IOS 12.4XD

12.4xd

Cisco IOS 12.4XE

12.4xe

Cisco IOS 12.4XF

12.4xf

Cisco IOS 12.4XG

12.4xg

Cisco IOS 12.4XJ

12.4xj

Cisco IOS 12.4xk

12.4xk

Cisco IOS 12.4XL

12.4xl

Cisco IOS 12.4XM

12.4xm

Cisco IOS 12.4XN

12.4xn

Cisco IOS 12.4XP

12.4xp

Cisco IOS 12.4XQ

12.4xq

Cisco IOS 12.4XR

12.4xr

Cisco IOS 12.4XT

12.4xt

Cisco IOS 12.4XV

12.4xv

Cisco IOS 12.4XW

12.4xw

Cisco IOS 12.4XY

12.4xy

Cisco IOS 12.4XZ

12.4xz

Cisco IOS 12.4YA

12.4ya

Cisco IOS 12.4YB

12.4yb

Cisco IOS 12.4YD

12.4yd

Cisco IOS 12.4YE

12.4ye

Cisco IOS 12.4YG

12.4yg

Cisco IOS 15.0M

15.0m

Cisco IOS 15.0S

15.0s

Cisco IOS 15.0XA

15.0xa

Cisco IOS 15.1T

15.1t

Cisco IOS 15.1XB

15.1xb

Cisco IOS XE 3.1.0s

3.1.0s

Cisco IOS XE 3.1.1s

3.1.1s

Cisco IOS XE 3.1.2s

3.1.2s

Cisco IOS XE 3.2.0s

3.2.0s

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=24116

20110928 Cisco IOS Software Data-Link Switching Vulnerability

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