Description
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.
References (7)
Core 7
Core References
Third Party Advisory third-party-advisory
x_refsource_sreason
http://securityreason.com/securityalert/8478
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1026191
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/46420
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/520141/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/50177
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/70706
Vendor Advisory x_refsource_confirm
http://downloads.digium.com/pub/security/AST-2011-012.html
Scores
EPSS
0.0238
EPSS Percentile
81.9%
Details
CWE
CWE-20
Status
published
Products (2)
asterisk/open_source
1.8.7
asterisk/open_source
10.0.0
Published
Oct 21, 2011
Tracked Since
Feb 18, 2026