Vulnerability CVE-2019-9971
Published: 2022-06-07

Description:
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.

Type:

CWE-269

 (Improper Privilege Management)

CVSS2 => (AV:N/AC:L/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9/10
10/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Debian -> Debian linux 

 References:
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
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