Vulnerability Details CVE-2019-9971
PhoneSystem Terminal in 3CX Phone System (Debian based installation) 16.0.0.1570 allows an attacker to gain root privileges by using sudo with the tcpdump command, without a password. This occurs because the -z (aka postrotate-command) option to tcpdump can be unsafe when used in conjunction with sudo.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.3%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
- https://www.gosecure.net/blog
- https://www.gosecure.net/blog/2022/05/31/security-advisory-multiple-vulnerabilities-impact-3cx-phone-system/
- https://www.securusglobal.com/community/2014/03/17/how-i-got-root-with-sudo/
- https://www.gosecure.net/blog
- https://www.gosecure.net/blog/2022/05/31/security-advisory-multiple-vulnerabilities-impact-3cx-phone-system/
- https://www.securusglobal.com/community/2014/03/17/how-i-got-root-with-sudo/
Products affected by CVE-2019-9971
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cpe:2.3:h:3cx:phone_system:-
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cpe:2.3:o:3cx:phone_system_firmware:16.0.0.1570
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cpe:2.3:o:debian:debian_linux:-