DeutschShown in its original language — a full translation is planned for a future version.
Asterisk: Mehrere Schwachstellen ermöglichen Denial of Service
view advisory published 2021-07-22
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Asterisk ausnutzen, um einen Denial of Service Angriff durchzuführen.
01
describes (3)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-32558US | high7.5 | — | ||
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… | ||||
| CVE-2021-31878US | medium6.5 | — | ||
An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without SDP must be received after Asterisk has sent a BYE request. | ||||
| CVE-2021-32686US | medium5.9 | — | ||
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In PJSIP be… | ||||
02
references
External citations — patches, advisories, analysis.
- Asterisk Project Security Advisory vom 2021-07-22external
- Asterisk Project Security Advisory vom 2021-07-22external
- Asterisk Project Security Advisory vom 2021-07-22external
- Debian Security Advisory DLA-2729 vom 2021-08-04external
- Debian Security Advisory DLA-2962 vom 2022-03-28external
- Gentoo Linux Security Advisory GLSA-202412-03 vom 2024-12-07external
- Ubuntu Security Notice USN-8122-1 vom 2026-03-24external
- WID-SEC-W-2024-3631 - CSAF Versionself
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