Published: 27/09/2012 Updated: 29/08/2017

CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10

VMScore: 694

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x prior to 7.1(5b)su5, 8.x prior to 8.5(1)su4, and 8.6 prior to 8.6(2a)su1; Cisco IOS 12.2 up to and including 12.4 and 15.0 up to and including 15.2; and Cisco IOS XE 3.3.xSG prior to 3.3.1SG, 3.4.xS, and 3.5.xS allows remote malicious users to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description, aka Bug IDs CSCtw66721, CSCtj33003, and CSCtw84664.

Vulnerable Product	Search on Vulmon	Subscribe to Product
cisco unified communications manager 6.1\\(4\\)
cisco unified communications manager 6.1\\(4a\\)
cisco unified communications manager 6.1\\(4b\\)
cisco unified communications manager 6.1\\(5\\)
cisco unified communications manager 7.1\\(5b\\)su3
cisco unified communications manager 7.1\\(5b\\)su4
cisco unified communications manager 8.0
cisco unified communications manager 8.0\\(1\\)
cisco ios 12.2by
cisco ios 12.2bz
cisco ios 12.2ca
cisco ios 12.2cx
cisco ios 12.2irb
cisco ios 12.2ixa
cisco ios 12.2ixb
cisco ios 12.2ixc
cisco ios 12.2sea
cisco ios 12.2seb
cisco ios 12.2sec
cisco ios 12.2sed
cisco ios 12.2sva
cisco ios 12.2svc
cisco ios 12.2svd
cisco ios 12.2sve
cisco ios 12.2sw
cisco ios 12.2xb
cisco ios 12.2xc
cisco ios 12.2xd
cisco ios 12.2xe
cisco ios 12.2xq
cisco ios 12.2xr
cisco ios 12.2xs
cisco ios 12.2xt
cisco ios 12.2yl
cisco ios 12.2ym
cisco ios 12.2yn
cisco ios 12.2yo
cisco ios 12.2zb
cisco ios 12.2zc
cisco ios 12.2zd
cisco ios 12.2ze
cisco ios 12.3bw
cisco ios 12.3ja
cisco ios 12.3jea
cisco ios 12.3jeb
cisco ios 12.3xg
cisco ios 12.3xi
cisco ios 12.3xk
cisco ios 12.3xl
cisco ios 12.3yh
cisco ios 12.3yj
cisco ios 12.3yk
cisco ios 12.3ym
cisco ios 12.3yq
cisco ios 15.0m
cisco ios 15.0mr
cisco ios 15.0mra
cisco ios 15.0s
cisco ios 15.1s
cisco ios 15.1t
cisco ios 15.1xb
cisco ios 15.2
cisco unified communications manager 6.0\\(1a\\)
cisco unified communications manager 6.0\\(1b\\)
cisco unified communications manager 6.1\\(1\\)
cisco unified communications manager 6.1\\(1a\\)
cisco unified communications manager 6.1\\(1b\\)
cisco unified communications manager 7.1\\(3\\)
cisco unified communications manager 7.1\\(3a\\)
cisco unified communications manager 7.1\\(3b\\)
cisco unified communications manager 7.1\\(5\\)
cisco unified communications manager 8.0\\(3\\)
cisco unified communications manager 8.0\\(3a\\)
cisco unified communications manager 8.5\\(1\\)su1
cisco ios 12.2
cisco ios 12.2ew
cisco ios 12.2ewa
cisco ios 12.2ex
cisco ios 12.2ey
cisco ios 12.2l
cisco ios 12.2mb
cisco ios 12.2rc
cisco ios 12.2s
cisco ios 12.2sb
cisco ios 12.2sga
cisco ios 12.2sm
cisco ios 12.2sr
cisco ios 12.2sra
cisco ios 12.2sxe
cisco ios 12.2sxf
cisco ios 12.2sxi
cisco ios 12.2sy
cisco ios 12.2xj
cisco ios 12.2xk
cisco ios 12.2xl
cisco ios 12.2xm
cisco ios 12.2xn
cisco ios 12.2yb
cisco ios 12.2yc
cisco ios 12.2yd
cisco ios 12.2ye
cisco ios 12.2yt
cisco ios 12.2yu
cisco ios 12.2yv
cisco ios 12.2yw
cisco ios 12.2zp
cisco ios 12.2zu
cisco ios 12.2zx
cisco ios 12.2zy
cisco ios 12.3t
cisco ios 12.3tpc
cisco ios 12.3va
cisco ios 12.3xa
cisco ios 12.3xw
cisco ios 12.3xx
cisco ios 12.3xy
cisco ios 12.3xz
cisco ios 12.3yz
cisco ios 12.3za
cisco unified communications manager 8.5\\(1\\)su2
cisco unified communications manager 8.5\\(1\\)su3
cisco ios 15.1
cisco ios 15.1\\(1\\)xb1
cisco ios 15.1\\(2\\)t
cisco ios 15.1\\(3\\)t
cisco ios 15.1\\(4\\)m
cisco ios xe 3.4.0s
cisco ios xe 3.4.1s
cisco ios xe 3.4.2s
cisco ios xe 3.4.3s
cisco unified communications manager 6.1\\(3\\)
cisco unified communications manager 6.1\\(3b\\)
cisco unified communications manager 7.1\\(1\\)
cisco unified communications manager 7.1\\(2a\\)
cisco unified communications manager 7.1\\(5b\\)
cisco unified communications manager 7.1\\(5b\\)su1a
cisco unified communications manager 8.0\\(2a\\)
cisco unified communications manager 8.0\\(2c\\)
cisco ios 12.2b
cisco ios 12.2bw
cisco ios 12.2cz
cisco ios 12.2dd
cisco ios 12.2fx
cisco ios 12.2fz
cisco ios 12.2ixd
cisco ios 12.2ixf
cisco ios 12.2sbc
cisco ios 12.2scb
cisco ios 12.2sef
cisco ios 12.2sg
cisco ios 12.2srb
cisco ios 12.2su
cisco ios 12.2sx
cisco ios 12.2sxb
cisco ios 12.2t
cisco ios 12.2xa
cisco ios 12.2xf
cisco ios 12.2xh
cisco ios 12.2xnb
cisco ios 12.2xnd
cisco ios 12.2xv
cisco ios 12.2ya
cisco ios 12.2yf
cisco ios 12.2yh
cisco ios 12.2yk
cisco ios 12.2yp
cisco ios 12.2yr
cisco ios 12.2yy
cisco ios 12.2za
cisco ios 12.2zf
cisco ios 12.2zh
cisco ios 12.2zl
cisco ios 12.2zya
cisco ios 12.3b
cisco ios 12.3jk
cisco ios 12.3jx
cisco ios 12.3xb
cisco ios 12.3xd
cisco ios 12.3xf
cisco ios 12.3xq
cisco ios 12.3xs
cisco ios 12.3yd
cisco ios 12.3yg
cisco ios 12.3yt
cisco ios 12.3yx
cisco ios 15.0
cisco ios 15.0\\(1\\)s2
cisco ios 15.0sg
cisco ios 15.0xo
cisco ios 15.1ey
cisco ios 15.1m
cisco ios xe 3.3.0sg
cisco ios xe 3.3.1sg
cisco ios xe 3.5.0s
cisco ios xe 3.5.2s
cisco unified communications manager 6.1\\(2\\)
cisco unified communications manager 6.1\\(3a\\)
cisco unified communications manager 7.1\\(2\\)
cisco unified communications manager 7.1\\(2b\\)
cisco unified communications manager 7.1\\(5a\\)
cisco unified communications manager 7.1\\(5b\\)su1
cisco unified communications manager 7.1\\(5b\\)su2
cisco unified communications manager 8.0\\(2\\)
cisco unified communications manager 8.0\\(2b\\)
cisco ios 12.2bc
cisco ios 12.2bx
cisco ios 12.2cy
cisco ios 12.2da
cisco ios 12.2dx
cisco ios 12.2ez
cisco ios 12.2fy
cisco ios 12.2ixe
cisco ios 12.2ixg
cisco ios 12.2sca
cisco ios 12.2se
cisco ios 12.2see
cisco ios 12.2seg
cisco ios 12.2src
cisco ios 12.2sv
cisco ios 12.2sxa
cisco ios 12.2sxd
cisco ios 12.2sz
cisco ios 12.2tpc
cisco ios 12.2xg
cisco ios 12.2xi
cisco ios 12.2xnc
cisco ios 12.2xo
cisco ios 12.2xu
cisco ios 12.2xw
cisco ios 12.2yg
cisco ios 12.2yj
cisco ios 12.2yq
cisco ios 12.2ys
cisco ios 12.2yx
cisco ios 12.2yz
cisco ios 12.2zg
cisco ios 12.2zj
cisco ios 12.3
cisco ios 12.3bc
cisco ios 12.3jec
cisco ios 12.3jl
cisco ios 12.3xc
cisco ios 12.3xe
cisco ios 12.3xr
cisco ios 12.3xu
cisco ios 12.3ya
cisco ios 12.3yf
cisco ios 12.3ys
cisco ios 12.3yu
cisco ios 15.0\\(1\\)s1
cisco ios 15.0\\(1\\)se
cisco ios 15.0sa
cisco ios 15.0xa
cisco ios 15.1\\(4\\)m1
cisco ios 15.1gc
cisco ios xe 3.3.1s
cisco ios xe 3.4.0as
cisco ios xe 3.4.xs
cisco ios xe 3.5.1s
cisco ios xe 3.5.xs

A vulnerability exists in the Session Initiation Protocol (SIP) implementation in Cisco IOS Software and Cisco IOS XE Software that could allow an unauthenticated, remote attacker to cause an affected device to reload Affected devices must be configured to process SIP messages and for pass-through of Session Description Protocol (SDP) for this vul ...

Cisco Unified Communications Manager contains a vulnerability in its Session Initiation Protocol (SIP) implementation that could allow an unauthenticated, remote attacker to cause a critical service to fail, which could interrupt voice services Affected devices must be configured to process SIP messages for this vulnerability to be exploitable C ...

CWE-20 http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucm http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sip http://www.securityfocus.com/bid/55697 http://secunia.com/advisories/50774 http://osvdb.org/85816 https://nvd.nist.gov http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sip

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CVE-2012-3949

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