CVE-2009-2726
- State
- Published
- Severity
- Not scored
- Published
- Aug 12, 2009
- Updated
- Aug 7, 2024
- Reserved
- Aug 10, 2009
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- http://labs.mudynamics.com/advisories/MU-200908-01.txt
- ADV-2009-2229vdb-entry
- http://downloads.digium.com/pub/security/AST-2009-005.html
- 36015vdb-entry
- 20090811 AST-2009-005: Remote Crash Vulnerability in SIP channel drivermailing-list
- 1022705vdb-entry
- 36227third-party-advisory
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