CVE-2019-18790 — Missing Authorization in Asterisk
Severity
6.5MEDIUMNVD
EPSS
7.4%
top 8.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 22
Latest updateMay 24
Description
An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer's IP address. A REGISTER does not need to occur, and calls can be hijacked as a result. The only thing that needs to be known is the peer's name; authentication details such as passwords do not need to be known. This vulnerability is only exploitable when the …
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5
Affected Packages4 packages
Also affects: Debian Linux 8.0, 9.0
Patches
🔴Vulnerability Details
2📋Vendor Advisories
1Debian▶
CVE-2019-18790: asterisk - An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x before 1...↗2019