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