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.

CVSS v3 8.8 HIGH
CVSS v2.0 7.2 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

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

History

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~CWE-269~~	CWE-668

17 Jun 2022, 15:29

Type	Values Removed	Values Added
CPE		cpe:2.3:o:toaruos:toaruos:1.99.2:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 8.8
References	~~(MISC) https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c -~~	(MISC) https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.c - Exploit, Third Party Advisory
CWE		CWE-269
First Time		Toaruos Toaruos toaruos

08 Jun 2022, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-06-08 15:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-36710

Mitre link : CVE-2021-36710

CVE.ORG link : CVE-2021-36710

JSON object : View

Products Affected

toaruos

toaruos

CWE

CWE-668

Exposure of Resource to Wrong Sphere

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