Asterisk.SIP.Remote.DoS

description-logoDescription

This indicates an attempt to exploit a Denial of Service vulnerability in the SIP channel driver in Asterisk.
The vulnerability in the SIP channel driver (channels/chan_sip.c) can be exploited to cause the creation of a "real pvt structure" that uses more resources than necessary. This allows remote attackers to cause a denial of service.

affected-products-logoAffected Products

Asterisk 1.2.x before 1.2.13
Asterisk 1.4.x before 1.4.0-beta3

Impact logoImpact

Denial of Service.

recomended-action-logoRecommended Actions

Update to "net-misc/asterisk-1.2.13" or later.

Telemetry logoTelemetry

Coverage

IPS (Regular DB)
IPS (Extended DB)