CVE-2021-26906
18.02.2021, 20:15
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.Enginsight
| Vendor | Product | Version |
|---|---|---|
| digium | asterisk | 13.0.0 ≤ 𝑥 < 13.38.2 |
| digium | asterisk | 16.0.0 ≤ 𝑥 < 16.16.1 |
| digium | asterisk | 17.0.0 ≤ 𝑥 < 17.9.2 |
| digium | asterisk | 18.0 ≤ 𝑥 < 18.2.1 |
| digium | certified_asterisk | 16.8 |
| digium | certified_asterisk | 16.8:cert1-rc1 |
| digium | certified_asterisk | 16.8:cert1-rc2 |
| digium | certified_asterisk | 16.8:cert1-rc3 |
| digium | certified_asterisk | 16.8:cert1-rc4 |
| digium | certified_asterisk | 16.8:cert2 |
| digium | certified_asterisk | 16.8:cert3 |
| digium | certified_asterisk | 16.8:cert4 |
| digium | certified_asterisk | 16.8:cert4-rc1 |
| digium | certified_asterisk | 16.8:cert4-rc2 |
| digium | certified_asterisk | 16.8:cert4-rc3 |
| digium | certified_asterisk | 16.8:cert4-rc4 |
| digium | certified_asterisk | 16.8:cert5 |
𝑥
= Vulnerable software versions
Debian Releases
Ubuntu Releases
Common Weakness Enumeration
References