CVE-2018-7284: Improper Restriction of Operations within the Bounds of a Memory Buffer

A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the respjsippubsub module stores the accepted formats present in the Accept headers of the request. Th...

CVE-2018-7286: Undefined Security Weakness

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. respjsip allows remote authenticated users to crash Asterisk segmentation fault by sending a number of SIP INVITE messages on a TCP or TLS connection and...

CVE-2018-7286

CVE-2018-7286 affects Asterisk and Certified Asterisk prior to vendor patches: res_pjsip accepts a sequence of SIP INVITE messages over TCP/TLS from an authenticated remote user, then the connection is abruptly closed, causing a segmentation fault (DoS). Affected: Asterisk versions up to 13.19.1,...

CVE-2018-7285: NULL Pointer Dereference

A NULL pointer access issue was discovered in Asterisk 15.x through 15.2.1. The RTP support in Asterisk maintains its own registry of dynamic codecs and desired payload numbers. While an SDP negotiation may result in a codec using a different payload number, these desired ones are still stored...

CVE-2018-7287

CVE-2018-7287 affects Digium/Asterisk 15.x up to 15.2.1. The issue is in the WebSocket handling of the HTTP server (res_http_websocket.c): when WebSocket payloads of size 0 are received (with the HTTP server enabled, default disabled), the code mishandles the payload, causing a busy loop and pote...

CVE-2018-7285

A NULL pointer access issue was discovered in Asterisk 15.x through 15.2.1. The RTP support in Asterisk maintains its own registry of dynamic codecs and desired payload numbers. While an SDP negotiation may result in a codec using a different payload number, these desired ones are still stored...

Digium Asterisk res_http_websocket.c File Denial of Service Vulnerability

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 so on. A denial of service vulnerability exists in the reshttpwebsocket.c file in Digium Asterisk...

CVE-2018-7285

CVE-2018-7285 affects Asterisk 15.x up to 15.2.1. A NULL pointer dereference can occur in RTP handling: the RTP registry of dynamic codecs/payload numbers is consulted for all incoming packets, even dynamic ones, and if a payload maps to a different codec type than the RTP stream, and no stream o...

CVE-2018-7287

An issue was discovered in reshttpwebsocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled default is disabled, WebSocket payloads of size 0 are mishandled with a busy loop...

CVE-2018-7286

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. respjsip allows remote authenticated users to crash Asterisk segmentation fault by sending a number of SIP INVITE messages on a TCP or TLS connection and...

CVE-2018-7286

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. respjsip allows remote authenticated users to crash Asterisk segmentation fault by sending a number of SIP INVITE messages on a TCP or TLS connection and...

CVE-2018-7284

A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the respjsippubsub module stores the accepted formats present in the Accept headers of the request. Th...

CVE-2018-7286

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. respjsip allows remote authenticated users to crash Asterisk segmentation fault by sending a number of SIP INVITE messages on a TCP or TLS connection and...

CVE-2018-7284

A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the respjsippubsub module stores the accepted formats present in the Accept headers of the request. Th...

CVE-2018-7285

A NULL pointer access issue was discovered in Asterisk 15.x through 15.2.1. The RTP support in Asterisk maintains its own registry of dynamic codecs and desired payload numbers. While an SDP negotiation may result in a codec using a different payload number, these desired ones are still stored...

CVE-2018-7287

An issue was discovered in reshttpwebsocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled default is disabled, WebSocket payloads of size 0 are mishandled with a busy loop...

asterisk -- multiple vulnerabilities

The Asterisk project reports: AST-2018-004 - When processing a SUBSCRIBE request the respjsippubsub module stores the accepted formats present in the Accept headers of the request. This code did not limit the number of headers it processed despite having a fixed limit of 32. If more than 32 Accep...

asterisk and pjsip -- multiple vulnerabilities

The Asterisk project reports: AST-2018-002 - By crafting an SDP message with an invalid media format description Asterisk crashes when using the pjsip channel driver because pjproject's sdp parsing algorithm fails to catch the invalid media format description. AST-2018-003 - By crafting an SDP...

Asterisk 13.17.2 chan_skinny Remote Memory Corruption

Exploit Author: Juan Sacco - http://exploitpack.com Vulnerability found using Exploit Pack v10 - Fuzzer module CVE-2017-17090 - AST-2017-013 Tested on: Asterisk 13.17.2dfsg-2 Description: Asterisk is prone to a remote unauthenticated memory exhaustion The vulnerability is due to an error when the...

Asterisk 13.17.2 - 'chan_skinny' Remote Memory Corruption

Exploit Author: Juan Sacco - http://exploitpack.com Vulnerability found using Exploit Pack v10 - Fuzzer module CVE-2017-17090 - AST-2017-013 Tested on: Asterisk 13.17.2dfsg-2 Description: Asterisk is prone to a remote unauthenticated memory exhaustion The vulnerability is due to an error when the...