#VU32879 Improper Privilege Management in HylaFAX - CVE-2020-15396
Published: July 29, 2020 / Updated: August 5, 2020
Vulnerability identifier: #VU32879
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-15396
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
HylaFAX
HylaFAX
Software vendor:
Hylafax.org
Hylafax.org
Description
The vulnerability allows a local user to escalate privileges on the system.
In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.
Remediation
Install updates from vendor's website.