Asterisk 17.6.0 / 17.5.1 Denial Of Service Exploit

Asterisk versions 17.5.1 and 17.6.0 were found vulnerability to a denial of service condition where Asterisk segfaults when receiving an INVITE flood over TCP. Asterisk crash due to INVITE flood over TCP - Fixed versions: 13.37.1, 16.14.1, 17.8.1, 18.0.1 - Enable Security Advisory:...

DEBIAN-CVE-2020-28327

A respjsipsession crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This...

ALPINE-CVE-2020-28327

A respjsipsession crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This...

CVE-2020-28327

A vulnerability in Asterisk’s SIP handling (res_pjsip_session) can crash the process when a new SIP Invite is processed. The issue arises from a gap between dialog object creation and its next use, potentially allowing another thread to free the dialog and leading to a crash on dereference. Affec...

CVE-2020-28327

A respjsipsession crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This...

CVE-2020-28327

A respjsipsession crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This...

CVE-2020-28242

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

DEBIAN-CVE-2020-28242

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

Design/Logic Flaw

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

UBUNTU-CVE-2020-28242

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

CVE-2020-28242

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

CVE-2020-28242

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

CVE-2020-28242

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

PT-2020-16974 · Sangoma +1 · Asterisk +1

Name of the Vulnerable Software and Affected Versions: Asterisk Open Source versions 13.x through 13.37.0 Asterisk Open Source versions 16.x through 16.14.0 Asterisk Open Source versions 17.x through 17.8.0 Asterisk Open Source versions 18.x through 18.0.0 Certified Asterisk versions prior to...

CVE-2020-28242: Uncontrolled Recursion

An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send...

Asterisk 17.6.0 / 17.5.1 Denial Of Service

Asterisk crash due to INVITE flood over TCP - Fixed versions: 13.37.1, 16.14.1, 17.8.1, 18.0.1 - Enable Security Advisory: https://github.com/EnableSecurity/advisories/tree/master/ES2020-02-asterisk-tcp-invite-crash - Asterisk Security Advisory:...

Asterisk Multiple DoS Vulnerabilities (AST-2020-001, AST-2020-002)

Asterisk is prone to multiple denial of service vulnerabilities. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:digium:asterisk"...

FreeBSD : asterisk -- Outbound INVITE loop on challenge with different nonce (29b7f0be-1fb7-11eb-b9d4-001999f8d30b)

The Asterisk project reports : If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate even if the call is hung up,...

asterisk -- Outbound INVITE loop on challenge with different nonce

The Asterisk project reports: If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate even if the call is hung up,...

asterisk -- Remote crash in res_pjsip_session

The Asterisk project reports: Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This caused a gap between the creation of the dialog object, and its next use by the thread that created it. Depending upon some off nominal circumstances, and timing it...