CVE-2021-26712

Incorrect access controls in ressrtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets...

CVE-2021-26712

Incorrect access controls in ressrtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets...

CVE-2020-35776

Summary of CVE-2020-35776 (CVE ID) : The vulnerability occurs in Sangoma Asterisk due to a buffer overflow in the code path for res_pjsip_diversion.c. Affects Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1. The root cause is a buffer overflow that can be triggered by misusing SIP 181 resp...

CVE-2020-35776

A buffer overflow in respjsipdiversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses...

CVE-2020-35776

A buffer overflow in respjsipdiversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses...

CVE-2020-35776

A buffer overflow in respjsipdiversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses...

CVE-2020-35776

A buffer overflow in respjsipdiversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses...

CVE-2021-26906

The CVE-2021-26906 entry describes an SDP negotiation vulnerability in PJSIP within Digium Asterisk (and Certified Asterisk) up to specific older branches, allowing a remote server to potentially crash Asterisk by sending SIP responses that trigger an SDP negotiation failure. Affected products in...

CVE-2021-26906

An issue was discovered in respjsipsession.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...

CVE-2021-26906

An issue was discovered in respjsipsession.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...

CVE-2021-26906

An issue was discovered in respjsipsession.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...

CVE-2021-26717

An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this...

CVE-2021-26717

The CVE-2021-26717 issue affects Sangoma Asterisk: 16.x before 16.16.1, 17.x before 17.9.2, 18.x before 18.2.1, and Certified Asterisk before 16.8-cert6. During T.38 renegotiation, if the initial remote response is delayed, Asterisk may send both audio and T.38 in the SDP; if the remote answers w...

CVE-2021-26717

An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this...

CVE-2021-26717

An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this...

CVE-2021-26717

An issue was discovered in Sangoma Asterisk 16.x before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6. When re-negotiating for T.38, if the initial remote response was delayed just enough, Asterisk would send both audio and T.38 in the SDP. If this...

PT-2021-11857 · Sangoma +1 · Asterisk +1

Name of the Vulnerable Software and Affected Versions: Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 Description: A buffer overflow in the res pjsip diversion.c file allows a remote attacker to crash Asterisk by deliberately misusing SIP 181 responses. Recommendations: For versio...

PT-2021-17106 · Sangoma +1 · Asterisk +1

Name of the Vulnerable Software and Affected Versions: Sangoma Asterisk versions 13.38.1 through 18.2.0 Certified Asterisk version 16.8-cert5 Description: The issue is related to incorrect access controls in the res srtp.c module, allowing a remote unauthenticated attacker to prematurely terminat...

Atlassian Asterisk 缓冲区错误漏洞

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...

Sangoma Technologies Asterisk Security Breach

Sangoma Technologies Asterisk is a suite of open source telephone exchange PBX system software from Canada's Sangoma Technologies. The software supports voicemail, multi-party voice conferencing, interactive voice response IVR, and more. A security vulnerability exists in Sangoma Technologies...