CVE-2021-34986

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-34986
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://kb.parallels.com/en/125013 Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-385/ Third Party Advisory VDB Entry
https://kb.parallels.com/en/125013 Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-385/ Third Party Advisory VDB Entry
Configurations

Configuration 1 (hide)

cpe:2.3:a:parallels:parallels_desktop:16.5.0:*:*:*:*:macos:*:*
History

21 Nov 2024, 06:11

Type Values Removed Values Added
References () https://kb.parallels.com/en/125013 - Vendor Advisory () https://kb.parallels.com/en/125013 - Vendor Advisory
References () https://www.zerodayinitiative.com/advisories/ZDI-22-385/ - Third Party Advisory, VDB Entry () https://www.zerodayinitiative.com/advisories/ZDI-22-385/ - Third Party Advisory, VDB Entry

22 Jul 2022, 14:01

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CPE cpe:2.3:a:parallels:parallels_desktop:16.5.0:*:*:*:*:macos:*:*
References (N/A) https://www.zerodayinitiative.com/advisories/ZDI-22-385/ - (N/A) https://www.zerodayinitiative.com/advisories/ZDI-22-385/ - Third Party Advisory, VDB Entry
References (N/A) https://kb.parallels.com/en/125013 - (N/A) https://kb.parallels.com/en/125013 - Vendor Advisory

15 Jul 2022, 20:15

Type Values Removed Values Added
Summary This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13932.
CWE CWE-367

15 Jul 2022, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-07-15 19:15

Updated : 2024-11-21 06:11

NVD link : CVE-2021-34986

Mitre link : CVE-2021-34986

CVE.ORG link : CVE-2021-34986

JSON object : View

Products Affected

parallels

  • parallels_desktop
CWE
CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition