CVE-2021-31422

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.1-49141. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the e1000e virtual device. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12527.

Summary:

Reference Links(if available):

https://kb.parallels.com/en/125013

https://www.zerodayinitiative.com/advisories/ZDI-21-430/

CVSS Score (if available)

v2: / HIGH

v3: /

CVE-2021-31422

Summary:

Reference Links(if available):

CVSS Score (if available)

Links to Exploits(if available)

[MEOW] – Ransomware Victim: Zyloware

[MEOW] – Ransomware Victim: Cottles Asphalt Maintenance Inc

[MEOW] – Ransomware Victim: Karl Malone Toyota

[MEOW] – Ransomware Victim: Pine Belt Cars

[MEOW] – Ransomware Victim: J[.]S[.]T[.] Espana

Summary:

Reference Links(if available):

CVSS Score (if available)

Links to Exploits(if available)

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[MEOW] – Ransomware Victim: Zyloware

[MEOW] – Ransomware Victim: Cottles Asphalt Maintenance Inc

[MEOW] – Ransomware Victim: Karl Malone Toyota

[MEOW] – Ransomware Victim: Pine Belt Cars

[MEOW] – Ransomware Victim: J[.]S[.]T[.] Espana