CVE-2021-36710

 

Published at: - 08-06-2022 05:15

Last modified: - 17-06-2022 05:29

Total changes: - 3

Description

ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c

 

Keywords

NVD

 

CVE-2021-36710

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures