Privilege escalation in Eleveo Call Recording
CVE-2019-18822
A privilege escalation vulnerability in ZOOM Call Recording 6.3.1 allows its user account (i.e., the account under which the program runs - by default, the callrec account) to elevate privileges to root by abusing the callrec-rs@.service. The callrec-rs@.service starts the /opt/callrec/bin/rs binary with root privileges, and this binary is owned by callrec. It can be replaced by a Trojan horse.
Vulnerability class: Privilege Escalation
EPSS: 0.014 (68.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Eleveo Call_recording — versions 6.3.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-18822?
- CVE-2019-18822 is a high-severity vulnerability in Eleveo Call Recording, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-04-14.
- How severe is CVE-2019-18822?
- High severity. CVSS v3 base score is 8.8 out of 10.