Information disclosure

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the livedangerously is not enabled. This allows arbitrary fil...

Race condition

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

UBUNTU-CVE-2023-49786

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

UBUNTU-CVE-2023-37457

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIPHEADER dialplan function can exceed the available buffer space...

Design/Logic Flaw

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIPHEADER dialplan function can exceed the available buffer space...

CVE-2023-49786 Asterisk susceptible to Denial of Service via DTLS Hello packets during call initiation

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

CVE-2023-49786

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

CVE-2023-49786

Asterisk is affected by CVE-2023-49786 due to a race condition in the DTLS handshake during DTLS-SRTP media setup. The vulnerability is triggered in affected releases prior to 18.20.1, 20.5.1, 21.0.1 and the certified-asterisk 18.9-cert6. The issue allows continuous DoS by denying new DTLS-SRTP e...

CVE-2023-49786

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

CVE-2023-49786 Asterisk susceptible to Denial of Service via DTLS Hello packets during call initiation

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

CVE-2023-49786 Asterisk susceptible to Denial of Service via DTLS Hello packets during call initiation

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when...

CVE-2023-37457 Asterisk's PJSIP_HEADER dialplan function can overwrite memory/cause crash when using 'update'

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIPHEADER dialplan function can exceed the available buffer space...

CVE-2023-37457 Asterisk's PJSIP_HEADER dialplan function can overwrite memory/cause crash when using 'update'

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIPHEADER dialplan function can exceed the available buffer space...

CVE-2023-37457

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIPHEADER dialplan function can exceed the available buffer space...

CVE-2023-37457

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIPHEADER dialplan function can exceed the available buffer space...

CVE-2023-37457

CVE-2023-37457 affects Asterisk and its PJSIP_HEADER dialplan function. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; and ceritifed-asterisk 18.9-cert5 and prior, the update functionality can exceed the header storage buffer, potentially overwriting memory or causing a cra...

CVE-2023-49294 Asterisk Path Traversal vulnerability

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the livedangerously is not enabled. This allows arbitrary fil...

CVE-2023-49294

CVE-2023-49294 affects Asterisk: read arbitrary files when live_dangerously is not enabled. Affected versions are pre-18.20.1, pre-20.5.1, pre-21.0.1, and certified-asterisk before 18.9-cert6. The issue has a fix in 18.20.1, 20.5.1, 21.0.1, and certified-asterisk from 18.9-cert6 onward. Public ma...

CVE-2023-49294

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the livedangerously is not enabled. This allows arbitrary fil...

CVE-2023-49294 Asterisk Path Traversal vulnerability

Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the livedangerously is not enabled. This allows arbitrary fil...