Asterisk STUN denial of service
| asterisk-stun-dos (35480) |  Low Risk |
Description:
Asterisk is vulnerable to a denial of service, caused by an error in the STUN implementation. By sending a specially-crafted RTP STUN packet, a remote attacker could exploit this vulnerability to crash the application.
Platforms Affected:
- Digium, Asterisk Appliance 1.0.x
- Digium, Asterisk Appliance Developer Kit 0.x.x
- Digium, Asterisk Business Edition A.x.x
- Digium, Asterisk Business Edition B.x.x
- Digium, Asterisk Open Source 1.0.0
- Digium, Asterisk Open Source 1.2.x
- Digium, Asterisk Open Source 1.4.x
- Digium, AsteriskNOW pre-release
Remedy:
Refer to ASA-2007-017 for patch, upgrade or suggested workaround information. See References.
Consequences:
Denial of Service
References:
- ASA-2007-017, Remote Crash Vulnerability in STUN implementation at http://ftp.digium.com/pub/asa/ASA-2007-017.pdf.
- Full-Disclosure Mailing List, Tue Jul 17 2007 - 18:01:46 CDT, ASA-2007-017: Remote Crash Vulnerability in STUN implementation at http://archives.neohapsis.com/archives/fulldisclosure/2007-07/0346.html.
- BID-24950: Asterisk Multiple Remote Denial of Service Vulnerabilities
- CVE-2007-3765: The STUN implementation in Asterisk 1.4.x before 1.4.8, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted STUN length attribute in a STUN packet sent on an RTP port.
- SA26099: Asterisk Multiple Vulnerabilities
- SECTRACK ID: 1018407: Asterisk STUN, Skinny Channel Driver, and IAX2 Channel Driver Bugs Let Remote Users Deny Service or Execute Arbitrary Code
- VUPEN/ADV-2007-2563: Asterisk Products Remote Buffer Overflow and Multiple Denial of Service Vulnerabilities
Reported:
Jul 17, 2007
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