6.5CVSSMEDIUM
Description
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:SAuthenticationSingle
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://issues.asterisk.org/jira/browse/ASTERISK-19770
issues.asterisk.org
http://www.securitytracker.com/id?1026963
securitytracker.com
http://osvdb.org/81456
osvdb.org
and 5 more references View all →
Timeline
Published
Apr 30, 2012
Last Updated
Apr 29, 2026
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