Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Asterisk | Open Source | 1.8.7 |
Related Weaknesses (CWE)
References
- http://downloads.digium.com/pub/security/AST-2011-012.htmlVendor Advisory
- http://secunia.com/advisories/46420
- http://securityreason.com/securityalert/8478
- http://www.securityfocus.com/archive/1/520141/100/0/threaded
- http://www.securityfocus.com/bid/50177
- http://www.securitytracker.com/id?1026191
- https://exchange.xforce.ibmcloud.com/vulnerabilities/70706
- http://downloads.digium.com/pub/security/AST-2011-012.htmlVendor Advisory
- http://secunia.com/advisories/46420
- http://securityreason.com/securityalert/8478
- http://www.securityfocus.com/archive/1/520141/100/0/threaded
- http://www.securityfocus.com/bid/50177
- http://www.securitytracker.com/id?1026191
- https://exchange.xforce.ibmcloud.com/vulnerabilities/70706
FAQ
What is CVE-2011-4063?
CVE-2011-4063 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 authenti...
How severe is CVE-2011-4063?
CVE-2011-4063 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4063?
Check the references section above for vendor advisories and patch information. Affected products include: Asterisk Open Source.