7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.934 High
EPSS
Percentile
99.1%
The handle_response function in chan_sip.c in Asterisk before 1.2.17 and
1.4.x before 1.4.2 allows remote attackers to cause a denial of service
(crash) via a SIP Response code 0 in a SIP packet.