CVE-2011-4063

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.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 6.70% Top 10%
Vendor Advisory digium.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id?1026191 vdb entry
http://securityreason.com/securityalert/8478 third party advisory
http://secunia.com/advisories/46420 third party advisory
http://www.securityfocus.com/archive/1/520141/100/0/threaded mailing list
http://www.securityfocus.com/bid/50177 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/70706 vdb entry
http://downloads.digium.com/pub/security/AST-2011-012.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-4063?
CVE-2011-4063 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4063?
To fix CVE-2011-4063, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4063 being actively exploited in the wild?
It is possible that CVE-2011-4063 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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