Out-of-bounds read in Parallels Desktop - CVE-2020-17398
Published: August 19, 2020
Vulnerability identifier: #VU45771
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-17398
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the prl_hypervisor kext. A local user can run a specially crafted program to trigger out-of-bounds read error and read contents of memory on the system.
Affected software
Parallels Desktop
How to mitigate CVE-2020-17398
Install updates from vendor's website.
Parallels Desktop - update to 16.0.0 (48916)