VOIP: Grandstream SIP Phone eavesdrop
This signature detects attempts to exploit a known vulnerability against Grandstream SIP Phone GXV-3000. Attackers can silent call completion, eavesdrop on the phone's local environment, and cause a denial of service .
Extended Description
The Grandstream SIP Phone GXV-3000 with firmware 1.0.1.7, Loader 1.0.0.6, and Boot 1.0.0.18 allows remote attackers to force silent call completion, eavesdrop on the phone's local environment, and cause a denial of service (blocked call reception) via a certain SIP INVITE message followed by a certain "SIP/2.0 183 Session Progress" message.
Affected Products
Grandstream sip_phone
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Grandstream
7.8