The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "asterisk",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
},
{
"binary_name": "asterisk-config",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
},
{
"binary_name": "asterisk-dahdi",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
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{
"binary_name": "asterisk-dbg",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
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{
"binary_name": "asterisk-dev",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
},
{
"binary_name": "asterisk-doc",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
},
{
"binary_name": "asterisk-mobile",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
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{
"binary_name": "asterisk-modules",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
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{
"binary_name": "asterisk-mp3",
"binary_version": "1:11.7.0~dfsg-1ubuntu1"
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{
"binary_name": "asterisk-mysql",
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{
"binary_name": "asterisk-ooh323",
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{
"binary_name": "asterisk-voicemail",
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{
"binary_name": "asterisk-voicemail-imapstorage",
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{
"binary_name": "asterisk-voicemail-odbcstorage",
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{
"binary_name": "asterisk-vpb",
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}
]
}