VOIP: Digium Asterisk INVITE TCP Connection Close Denial of Service

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 Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. res_pjsip allows remote authenticated users to crash Asterisk (segmentation fault) by sending a number of SIP INVITE messages on a TCP or TLS connection and then suddenly closing the connection.

Affected Products

Digium asterisk

Short Name
VOIP:SIP:DIGIUM-INVITE-CONN-DOS
Severity
Minor
Recommended
False
Recommended Action
None
Category
VOIP
Keywords
Asterisk CVE-2018-7286 Close Connection Denial Digium INVITE Service TCP of
Release Date
01/17/2023
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
3563
False Positive
Unknown
Vendors

Digium

Debian

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