An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade asterisk | Mar 26, 2024 | Feb 18, 2021 |
| Debian | — | Upgrade asterisk | Jul 30, 2024 | Feb 18, 2021 |
| Freebsd | — | Upgrade asterisk13Upgrade asterisk18Upgrade asterisk16 | Dec 10, 2025 | Feb 18, 2021 |
| Gentoo Linux | — | Upgrade net-misc/asterisk. | Dec 9, 2024 | Feb 18, 2021 |
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