#VU45769 Integer overflow in Parallels Desktop


Published: 2020-08-19

Vulnerability identifier: #VU45769

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-17396

CWE-ID: CWE-190

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Parallels Desktop
Operating systems & Components / Operating system package or component

Vendor: Parallels

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the prl_hypervisor module. A local user can run a specially crafted program to trigger integer overflow and execute arbitrary code in the context of the kernel.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: 15.0.0 (46967) - 15.1.4 (47270)


External links
http://www.zerodayinitiative.com/advisories/ZDI-20-1014/
http://kb.parallels.com/en/125013


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability