CVE-2012-5977

Description

Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones, when anonymous calls are enabled, allow remote attackers to cause a denial of service (resource consumption) by making anonymous calls from multiple sources and consequently adding many entries to the device state cache.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.10% Top 25%
Vendor Advisory debian.org Vendor Advisory asterisk.org Vendor Advisory asterisk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2013/dsa-2605 vendor advisory
https://issues.asterisk.org/jira/browse/ASTERISK-20175 vendor advisory
http://downloads.asterisk.org/pub/security/AST-2012-015 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-5977?
CVE-2012-5977 has been scored as a medium severity vulnerability.
How to fix CVE-2012-5977?
To fix CVE-2012-5977, 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-2012-5977 being actively exploited in the wild?
It is possible that CVE-2012-5977 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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