7.1
CWE
399
Advisory Published
Updated

CVE-2012-3950

First published: Thu Sep 27 2012(Updated: )

The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS=12.3
Cisco IOS=12.3\(1a\)
Cisco IOS=12.3\(2\)ja
Cisco IOS=12.3\(2\)ja5
Cisco IOS=12.3\(2\)jk
Cisco IOS=12.3\(2\)jk1
Cisco IOS=12.3\(2\)t3
Cisco IOS=12.3\(2\)t8
Cisco IOS=12.3\(2\)xa4
Cisco IOS=12.3\(2\)xa5
Cisco IOS=12.3\(2\)xc1
Cisco IOS=12.3\(2\)xc2
Cisco IOS=12.3\(2\)xc3
Cisco IOS=12.3\(2\)xc4
Cisco IOS=12.3\(2\)xe3
Cisco IOS=12.3\(2\)xe4
Cisco IOS=12.3\(3e\)
Cisco IOS=12.3\(3h\)
Cisco IOS=12.3\(3i\)
Cisco IOS=12.3\(4\)eo1
Cisco IOS=12.3\(4\)ja
Cisco IOS=12.3\(4\)ja1
Cisco IOS=12.3\(4\)t
Cisco IOS=12.3\(4\)t1
Cisco IOS=12.3\(4\)t2
Cisco IOS=12.3\(4\)t3
Cisco IOS=12.3\(4\)t4
Cisco IOS=12.3\(4\)t8
Cisco IOS=12.3\(4\)tpc11a
Cisco IOS=12.3\(4\)xd
Cisco IOS=12.3\(4\)xd1
Cisco IOS=12.3\(4\)xd2
Cisco IOS=12.3\(4\)xe4
Cisco IOS=12.3\(4\)xg1
Cisco IOS=12.3\(4\)xg2
Cisco IOS=12.3\(4\)xg4
Cisco IOS=12.3\(4\)xg5
Cisco IOS=12.3\(4\)xh
Cisco IOS=12.3\(4\)xk
Cisco IOS=12.3\(4\)xk1
Cisco IOS=12.3\(4\)xk3
Cisco IOS=12.3\(4\)xk4
Cisco IOS=12.3\(4\)xq
Cisco IOS=12.3\(4\)xq1
Cisco IOS=12.3\(5\)
Cisco IOS=12.3\(5\)b1
Cisco IOS=12.3\(5a\)
Cisco IOS=12.3\(5a\)b
Cisco IOS=12.3\(5a\)b2
Cisco IOS=12.3\(5a\)b5
Cisco IOS=12.3\(5b\)
Cisco IOS=12.3\(5c\)
Cisco IOS=12.3\(5e\)
Cisco IOS=12.3\(5f\)
Cisco IOS=12.3\(6\)
Cisco IOS=12.3\(6a\)
Cisco IOS=12.3\(6d\)
Cisco IOS=12.3\(6e\)
Cisco IOS=12.3\(6f\)
Cisco IOS=12.3\(7\)ja
Cisco IOS=12.3\(7\)ja1
Cisco IOS=12.3\(7\)jx
Cisco IOS=12.3\(7\)t
Cisco IOS=12.3\(7\)t4
Cisco IOS=12.3\(7\)t8
Cisco IOS=12.3\(7\)t9
Cisco IOS=12.3\(7\)t10
Cisco IOS=12.3\(7\)t12
Cisco IOS=12.3\(7\)xi3
Cisco IOS=12.3\(7\)xi4
Cisco IOS=12.3\(7\)xi7
Cisco IOS=12.3\(7\)xr3
Cisco IOS=12.3\(7\)xr4
Cisco IOS=12.3\(7\)xr6
Cisco IOS=12.3\(7.7\)
Cisco IOS=12.3\(8\)ja
Cisco IOS=12.3\(8\)ja1
Cisco IOS=12.3\(8\)t4
Cisco IOS=12.3\(8\)t7
Cisco IOS=12.3\(8\)t8
Cisco IOS=12.3\(8\)t9
Cisco IOS=12.3\(8\)t11
Cisco IOS=12.3\(8\)xu2
Cisco IOS=12.3\(8\)xy4
Cisco IOS=12.3\(8\)xy5
Cisco IOS=12.3\(8\)xy6
Cisco IOS=12.3\(8\)ya1
Cisco IOS=12.3\(8\)yd
Cisco IOS=12.3\(8\)yf
Cisco IOS=12.3\(8\)yg
Cisco IOS=12.3\(8\)yg1
Cisco IOS=12.3\(8\)yg2
Cisco IOS=12.3\(8\)yg3
Cisco IOS=12.3\(8\)yh
Cisco IOS=12.3\(8\)yi
Cisco IOS=12.3\(8\)yi1
Cisco IOS=12.3\(8\)yi3
Cisco IOS=12.3\(9\)
Cisco IOS=12.3\(9a\)bc
Cisco IOS=12.3\(9a\)bc2
Cisco IOS=12.3\(9a\)bc6
Cisco IOS=12.3\(9a\)bc7
Cisco IOS=12.3\(9d\)
Cisco IOS=12.3\(9e\)
Cisco IOS=12.3\(10\)
Cisco IOS=12.3\(10c\)
Cisco IOS=12.3\(10d\)
Cisco IOS=12.3\(10e\)
Cisco IOS=12.3\(11\)
Cisco IOS=12.3\(11\)t
Cisco IOS=12.3\(11\)t4
Cisco IOS=12.3\(11\)t5
Cisco IOS=12.3\(11\)t6
Cisco IOS=12.3\(11\)t8
Cisco IOS=12.3\(11\)t9
Cisco IOS=12.3\(11\)xl
Cisco IOS=12.3\(11\)xl3
Cisco IOS=12.3\(11\)yf
Cisco IOS=12.3\(11\)yf2
Cisco IOS=12.3\(11\)yf3
Cisco IOS=12.3\(11\)yf4
Cisco IOS=12.3\(11\)yj
Cisco IOS=12.3\(11\)yk
Cisco IOS=12.3\(11\)yk1
Cisco IOS=12.3\(11\)yk2
Cisco IOS=12.3\(11\)yl
Cisco IOS=12.3\(11\)yn
Cisco IOS=12.3\(11\)yr
Cisco IOS=12.3\(11\)ys
Cisco IOS=12.3\(11\)ys1
Cisco IOS=12.3\(11\)yw
Cisco IOS=12.3\(12\)
Cisco IOS=12.3\(12b\)
Cisco IOS=12.3\(12e\)
Cisco IOS=12.3\(13\)
Cisco IOS=12.3\(13a\)
Cisco IOS=12.3\(13a\)bc
Cisco IOS=12.3\(13a\)bc1
Cisco IOS=12.3\(13b\)
Cisco IOS=12.3\(14\)t
Cisco IOS=12.3\(14\)t2
Cisco IOS=12.3\(14\)t4
Cisco IOS=12.3\(14\)t5
Cisco IOS=12.3\(14\)ym4
Cisco IOS=12.3\(14\)yq
Cisco IOS=12.3\(14\)yq1
Cisco IOS=12.3\(14\)yq3
Cisco IOS=12.3\(14\)yq4
Cisco IOS=12.3\(14\)yt
Cisco IOS=12.3\(14\)yt1
Cisco IOS=12.3\(14\)yu
Cisco IOS=12.3\(14\)yu1
Cisco IOS=12.3\(15\)
Cisco IOS=12.3\(15b\)
Cisco IOS=12.3\(16\)
Cisco IOS=12.3b
Cisco IOS=12.3bc
Cisco IOS=12.3bw
Cisco IOS=12.3j
Cisco IOS=12.3ja
Cisco IOS=12.3jea
Cisco IOS=12.3jeb
Cisco IOS=12.3jec
Cisco IOS=12.3jed
Cisco IOS=12.3jk
Cisco IOS=12.3jl
Cisco IOS=12.3jx
Cisco IOS=12.3t
Cisco IOS=12.3tpc
Cisco IOS=12.3va
Cisco IOS=12.3xa
Cisco IOS=12.3xb
Cisco IOS=12.3xc
Cisco IOS=12.3xd
Cisco IOS=12.3xe
Cisco IOS=12.3xf
Cisco IOS=12.3xg
Cisco IOS=12.3xh
Cisco IOS=12.3xi
Cisco IOS=12.3xj
Cisco IOS=12.3xk
Cisco IOS=12.3xl
Cisco IOS=12.3xm
Cisco IOS=12.3xn
Cisco IOS=12.3xq
Cisco IOS=12.3xr
Cisco IOS=12.3xs
Cisco IOS=12.3xt
Cisco IOS=12.3xu
Cisco IOS=12.3xv
Cisco IOS=12.3xw
Cisco IOS=12.3xx
Cisco IOS=12.3xy
Cisco IOS=12.3xz
Cisco IOS=12.3ya
Cisco IOS=12.3yb
Cisco IOS=12.3yc
Cisco IOS=12.3yd
Cisco IOS=12.3ye
Cisco IOS=12.3yf
Cisco IOS=12.3yg
Cisco IOS=12.3yh
Cisco IOS=12.3yi
Cisco IOS=12.3yj
Cisco IOS=12.3yk
Cisco IOS=12.3yl
Cisco IOS=12.3ym
Cisco IOS=12.3yn
Cisco IOS=12.3yq
Cisco IOS=12.3yr
Cisco IOS=12.3ys
Cisco IOS=12.3yt
Cisco IOS=12.3yu
Cisco IOS=12.3yw
Cisco IOS=12.3yx
Cisco IOS=12.3yz
Cisco IOS=12.3za
Cisco IOS=12.4
Cisco IOS=12.4\(1\)
Cisco IOS=12.4\(1b\)
Cisco IOS=12.4\(1c\)
Cisco IOS=12.4\(2\)mr
Cisco IOS=12.4\(2\)mr1
Cisco IOS=12.4\(2\)t
Cisco IOS=12.4\(2\)t1
Cisco IOS=12.4\(2\)t2
Cisco IOS=12.4\(2\)t3
Cisco IOS=12.4\(2\)t4
Cisco IOS=12.4\(2\)xa
Cisco IOS=12.4\(2\)xb
Cisco IOS=12.4\(2\)xb2
Cisco IOS=12.4\(3\)
Cisco IOS=12.4\(3\)t2
Cisco IOS=12.4\(3a\)
Cisco IOS=12.4\(3b\)
Cisco IOS=12.4\(3d\)
Cisco IOS=12.4\(4\)mr
Cisco IOS=12.4\(4\)t
Cisco IOS=12.4\(4\)t2
Cisco IOS=12.4\(5\)
Cisco IOS=12.4\(5b\)
Cisco IOS=12.4\(6\)t
Cisco IOS=12.4\(6\)t1
Cisco IOS=12.4\(7\)
Cisco IOS=12.4\(7a\)
Cisco IOS=12.4\(8\)
Cisco IOS=12.4\(9\)t
Cisco IOS=12.4\(11\)md
Cisco IOS=12.4\(15\)md
Cisco IOS=12.4\(22\)md
Cisco IOS=12.4\(22\)mda
Cisco IOS=12.4\(23\)
Cisco IOS=12.4\(24\)md
Cisco IOS=12.4\(24\)md1
Cisco IOS=12.4\(24\)md2
Cisco IOS=12.4\(24\)md3
Cisco IOS=12.4\(24\)md4
Cisco IOS=12.4\(24\)mda
Cisco IOS=12.4\(24\)t1
Cisco IOS=12.4gc
Cisco IOS=12.4ja
Cisco IOS=12.4jda
Cisco IOS=12.4jdc
Cisco IOS=12.4jdd
Cisco IOS=12.4jk
Cisco IOS=12.4jl
Cisco IOS=12.4jma
Cisco IOS=12.4jmb
Cisco IOS=12.4jx
Cisco IOS=12.4md
Cisco IOS=12.4mda
Cisco IOS=12.4mdb
Cisco IOS=12.4mr
Cisco IOS=12.4mra
Cisco IOS=12.4xm
Cisco IOS=12.4xn
Cisco IOS=12.4xp
Cisco IOS=12.4xq
Cisco IOS=12.4xr
Cisco IOS=12.4xt
Cisco IOS=12.4xv
Cisco IOS=12.4xw
Cisco IOS=12.4xy
Cisco IOS=12.4xz
Cisco IOS=12.4ya
Cisco IOS=12.4yb
Cisco IOS=12.4yd
Cisco IOS=12.4ye
Cisco IOS=12.4yg
Cisco IOS=15.0
Cisco IOS=15.0\(1\)se
Cisco IOS=15.1
Cisco IOS=15.2

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