NVD

Id
1835  
Name
CVE-2008-1897  
Description
The IAX2 channel driver (chan_iax2) in Asterisk Open Source 1.0.x, 1.2.x before 1.2.28, and 1.4.x before 1.4.19.1; Business Edition A.x.x, B.x.x before B.2.5.2, and C.x.x before C.1.8.1; AsteriskNOW before 1.0.3; Appliance Developer Kit 0.x.x; and s800i before 1.1.0.3, when configured to allow unauthenticated calls, does not verify that an ACK response contains a call number matching the server"s reply to a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed ACK response that does not complete a 3-way handshake. NOTE: this issue exists because of an incomplete fix for CVE-2008-1923.  
Reject
 
CVSS Version
2  
CVSS Score
4.3  
Severity
Medium  
CVSS Base Score
4.3  
CVSS Impact Subscore
2.9  
CVSS Exploit Subscore
8.6  
CVSS Vector
(AV:N/AC:M/Au:N/C:N/I:N/A:P)  
Pub Date
2017-01-03  
Published
2008-04-23  
Modified Date
2011-03-07  
Seq
2008-1897  

Actions