Denial Of Service (DoS)

asterisk, edge is vulnerable to denial of service. It allows an attacker to trigger a crash by sending a declined stream in a response re-invite initiated by Asterisk...

asterisk -- Remote crash when using IAX2 channel driver

The Asterisk project reports: If the IAX2 channel driver receives a packet that contains an unsupported media format it can cause a crash to occur in Asterisk...

asterisk -- Remote Crash Vulnerability in PJSIP channel driver

The Asterisk project reports: When Asterisk receives a re-INVITE without SDP after having sent a BYE request a crash will occur. This occurs due to the Asterisk channel no longer being present while code assumes it is...

USN-4814-1 asterisk vulnerabilities

Richard Mudgett discovered that Asterisk did not properly check the length of input string when setting the user field for PartyB on a CDR. A remote attacker could use this vulnerability to cause a denial of service crash or potentially execute arbitrary code. CVE-2017-16671 Alex Villacis Lasso...

USN-4814-1: Asterisk vulnerabilities

Richard Mudgett discovered that Asterisk did not properly check the length of input string when setting the user field for PartyB on a CDR. A remote attacker could use this vulnerability to cause a denial of service crash or potentially execute arbitrary code. CVE-2017-16671 Alex Villacis Lasso...

Asterisk DoS Vulnerability (AST-2021-006)

Asterisk is prone to a denial of service vulnerability when negotiating T.38 with a zero port. SPDX-FileCopyrightText: 2021 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...

CVE-2019-18351

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2019-18790. Reason: This candidate is a duplicate of CVE-2019-18790. Notes: All CVE users should reference CVE-2019-18790 instead of this candidate. All references and descriptions in this candidate have been removed to prevent...

FreeBSD : asterisk -- Crash when negotiating T.38 with a zero port (9e8f0766-7d21-11eb-a2be-001999f8d30b)

The Asterisk project reports : When Asterisk sends a re-invite initiating T.38 faxing and the endpoint responds with a m=image line and zero port, a crash will occur in Asterisk. This is a reoccurrence of AST-2019-004. C Tenable Network Security, Inc. The descriptive text and package checks in th...

Digium Certified Asterisk 安全漏洞

Digium Asterisk is a set of open source telephone exchange PBX system software from Digium, USA. The software supports voicemail, multi-party voice conferencing, interactive voice response IVR, and more. This number is a duplicate of CNNVD-201911-1291, the relevant content has been removed, pleas...

Buffer Overflow

asterisk is vulnerable to buffer overflow. A stack-based buffer overflow in resrtpasterisk.c in Sangoma Asterisk allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch...

Denial Of Service (DoS)

asterisk is vulnerable to denial of service DoS. A respjsipsession crash was discovered in Asterisk Open Source. 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...

Denial Of Service (DoS)

asterisk is vulnerable to denial of service. A buffer overflow in respjsipdiversion.c in allows a remote attacker to crash the application by misusing SIP 181 responses...

Denial Of Service (DoS)

asterisk is vulnerable to denial of service. When re-negotiating for T.38, if the initial remote response was delayed by a specific duration, both audio and T.38 in the SDP would be sent and the subsequent response from the receiver would crash the application...

Denial Of Service (DoS)

asterisk:sid is vulnerable to denial of service. The vulnerability exists in respjsipsession.c in Digium Asterisk where SDP negotiation in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure...

asterisk -- Crash when negotiating T.38 with a zero port

The Asterisk project reports: When Asterisk sends a re-invite initiating T.38 faxing and the endpoint responds with a m=image line and zero port, a crash will occur in Asterisk. This is a reoccurrence of AST-2019-004...

Sangoma Asterisk Buffer Overflow Vulnerability

Sangoma Asterisk is an application from Sangoma. A buffer overflow vulnerability exists in Sangoma Asterisk. The vulnerability stems from incorrect handling of the respjsipdiversion.c file and can be exploited by an attacker to intentionally misuse a SIP181 response to cause the application to...

ALPINE-CVE-2021-26713

A stack-based buffer overflow in resrtpasterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession...

CVE-2021-26713

A stack-based buffer overflow in resrtpasterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession...

CVE-2021-26713

A stack-based buffer overflow in resrtpasterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession...

CVE-2021-26713

A stack-based buffer overflow in resrtpasterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession...