CVE-2017-17090

Public Exploit

Description

An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 90.36% Top 5%
Vendor Advisory debian.org Vendor Advisory digium.com Vendor Advisory asterisk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1039948 vdb entry
https://www.exploit-db.com/exploits/43992/ exploit
http://www.securityfocus.com/bid/102023 vdb entry third party advisory
https://issues.asterisk.org/jira/browse/ASTERISK-27452 issue tracking vendor advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html mailing list
https://www.debian.org/security/2017/dsa-4076 vendor advisory
http://downloads.digium.com/pub/security/AST-2017-013.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-17090?
CVE-2017-17090 has been scored as a high severity vulnerability.
How to fix CVE-2017-17090?
To fix CVE-2017-17090, 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-2017-17090 being actively exploited in the wild?
It is possible that CVE-2017-17090 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~90% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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