CVE Vulnerability

CVE-2021-36710

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:toaruos:toaruos:1.99.2:*:*:*:*:*:*:*
Information

Published : 2022-06-08 03:15

Updated : 2022-06-17 03:29

NVD link : CVE-2021-36710

Mitre link : CVE-2021-36710

Products Affected
No products.
CWE
CWE-269