CVE-2011-4063

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Summary

CVECVE-2011-4063
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-10-21 10:55:03 UTC
Updated2026-04-29 01:13:23 UTC
Descriptionchan_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.

Risk And Classification

Primary CVSS: v2.0 6.8 from [email protected]

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

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Asterisk Open Source 1.8.7 All All All
Application Asterisk Open Source 10.0.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Asterisk SIP Channel Driver Uninitialised Variables Denial of Service Vulnerability - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Asterisk SIP Channel Driver Uninitialized Variable Access Bug Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Asterisk Uninitalized Variable SIP Channel Driver Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
AST-2011-012 af854a3a-2127-422b-91ae-364da2661108 downloads.digium.com Vendor Advisory
CXSecurity - IDS af854a3a-2127-422b-91ae-364da2661108 securityreason.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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