NVD
- Id
- 49962
- Name
- CVE-2009-2726
- Description
- The SIP channel driver in Asterisk Open Source 1.2.x before 1.2.34, 1.4.x before 1.4.26.1, 1.6.0.x before 1.6.0.12, and 1.6.1.x before 1.6.1.4; Asterisk Business Edition A.x.x, B.x.x before B.2.5.9, C.2.x before C.2.4.1, and C.3.x before C.3.1; and Asterisk Appliance s800i 1.2.x before 1.3.0.3 does not use a maximum width when invoking sscanf style functions, which allows remote attackers to cause a denial of service (stack memory consumption) via SIP packets containing large sequences of ASCII decimal characters, as demonstrated via vectors related to (1) the CSeq value in a SIP header, (2) large Content-Length value, and (3) SDP.
- Reject
- CVSS Version
- 2
- CVSS Score
- 7.8
- Severity
- High
- CVSS Base Score
- 7.8
- CVSS Impact Subscore
- 6.9
- CVSS Exploit Subscore
- 10
- CVSS Vector
- (AV:N/AC:L/Au:N/C:N/I:N/A:C)
- Pub Date
- 2017-01-07
- Published
- 2009-08-12
- Modified Date
- 2010-03-05
- Seq
- 2009-2726