CVE-2018-7286

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 52.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-02-22 · updated 2026-06-17

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

Debian Linux: 9.0
Digium Asterisk: from 14.0.0 through 14.7.5; from 15.0.0 through 15.2.1; 13.19.1
Digium Certified Asterisk: through 13.18

References

http://downloads.asterisk.org/pub/security/AST-2018-005.html
http://www.securityfocus.com/bid/103129
http://www.securitytracker.com/id/1040417
https://issues.asterisk.org/jira/browse/ASTERISK-27618
https://www.debian.org/security/2018/dsa-4320
https://www.exploit-db.com/exploits/44181/
http://downloads.asterisk.org/pub/security/AST-2018-005.html
http://www.securityfocus.com/bid/103129
http://www.securitytracker.com/id/1040417
https://issues.asterisk.org/jira/browse/ASTERISK-27618
https://www.debian.org/security/2018/dsa-4320
https://www.exploit-db.com/exploits/44181/

Get alerted when CVE-2018-7286 or the next vulnerability affects your stack