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
EPSS
Percentile
99.5%
Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to
cause a denial of service (crash) by sending a Session Initiation Protocol
(SIP) packet without a URI and SIP-version header, which results in a NULL
pointer dereference.