APP: Digium Asterisk Skinny Client Control Protocol Denial Of Services
This signature detects attempts to exploit a known vulnerability against Digium Asterisk. A successful attack can result in a denial-of-service condition.
Extended 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.
Affected Products
Digium asterisk
References
BugTraq: 102023
CVE: CVE-2017-17090
URL: http://downloads.asterisk.org/pub/security/ast-2017-013.pdf
Short Name
APP:DIGIUM-ASTERISK-SCCP-DOS
Severity
Major
Recommended
True
Recommended Action
Drop
Category
APP
Keywords
Asterisk CVE-2017-17090 Client Control Denial Digium Of Protocol Services Skinny bid:102023
Release Date
01/23/2018
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
Port
TCP/2000
False Positive
Unknown
Vendors
Digium
CVSS Score
5.0