CVE-2011-1507

Description

Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.15%
Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory digium.com Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2011/1188 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058922.html vendor advisory
http://www.debian.org/security/2011/dsa-2225 vendor advisory
http://securitytracker.com/id?1025432 vdb entry
http://www.vupen.com/english/advisories/2011/1086 vdb entry vendor advisory
http://www.vupen.com/english/advisories/2011/1107 vdb entry
http://secunia.com/advisories/44529 third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059702.html vendor advisory
http://downloads.digium.com/pub/security/AST-2011-005.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=698916 patch
http://secunia.com/advisories/44197 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-1507?
CVE-2011-1507 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1507?
To fix CVE-2011-1507, 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-2011-1507 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-1507 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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