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.
Products affected by CVE-2019-9971
- cpe:2.3:o:debian:debian_linux:-:*:*:*:*:*:*:*
- cpe:2.3:o:3cx:phone_system_firmware:16.0.0.1570:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9971
0.55%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9971
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2019-9971
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9971
-
https://www.gosecure.net/blog/2022/05/31/security-advisory-multiple-vulnerabilities-impact-3cx-phone-system/
Security Advisory: Multiple Vulnerabilities Impact 3CX Phone System - GoSecureExploit;Third Party Advisory
-
https://www.gosecure.net/blog
Blog - GoSecureThird Party Advisory
-
https://www.securusglobal.com/community/2014/03/17/how-i-got-root-with-sudo/
How I got root with Sudo - Pure SecurityThird Party Advisory
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