Improper Privilege Management in Asterisk Open Source and Certified Asterisk - CVE-2022-42706

 

Improper Privilege Management in Asterisk Open Source and Certified Asterisk - CVE-2022-42706

Published: December 2, 2022


Vulnerability identifier: #VU69828
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-42706
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Asterisk Open Source
Certified Asterisk

Detailed vulnerability description

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to improper privilege management. A remote user with “config” permissions can view files outside of Asterisk directory via GetConfig AMI Action even if “live_dangerously" is set to "no".


How to mitigate CVE-2022-42706

Install updates from vendor's website.

Sources