CVEvulnerability
CVE-2021-32558
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-07-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-74
Description
An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.
Affected configurations
• digium asterisk (>= 13.0.0 < 13.38.3)
• digium asterisk (>= 16.0.0 < 16.19.1)
• digium asterisk (>= 17.0.0 < 17.9.4)
• digium asterisk (>= 18.0.0 < 18.15.1)
• digium certified asterisk 16.8
• debian debian linux 9.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
References
- http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html Patch, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jul/49 Mailing List, Patch, Third Party Advisory
- https://downloads.asterisk.org/pub/security/AST-2021-008.html Patch, Vendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29392 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html Mailing List, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4999 Third Party Advisory
- http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html Patch, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jul/49 Mailing List, Patch, Third Party Advisory
- https://downloads.asterisk.org/pub/security/AST-2021-008.html Patch, Vendor Advisory
- https://issues.asterisk.org/jira/browse/ASTERISK-29392 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html Mailing List, Third Party Advisory
- https://www.debian.org/security/2021/dsa-4999 Third Party Advisory