Published: 21/10/2011 Updated: 09/10/2018

CVSS v2 Base Score: 6.8 | Impact Score: 6.9 | Exploitability Score: 8

VMScore: 605

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x prior to 1.8.7.1 and 10.x prior to 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
asterisk open source 1.8.7
asterisk open source 10.0.0

Debian Bug report logs - #647252 CVE-2011-4063: Remote crash vulnerability in SIP channel driver Package: asterisk; Maintainer for asterisk is Debian VoIP Team <pkg-voip-maintainers@listsaliothdebianorg>; Source for asterisk is src:asterisk (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <muehlenhoff@univentiond ...

CWE-20 http://downloads.digium.com/pub/security/AST-2011-012.html http://www.securityfocus.com/bid/50177 http://www.securitytracker.com/id?1026191 http://secunia.com/advisories/46420 http://securityreason.com/securityalert/8478 https://exchange.xforce.ibmcloud.com/vulnerabilities/70706 http://www.securityfocus.com/archive/1/520141/100/0/threaded https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=647252 https://nvd.nist.gov

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CVE-2011-4063

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