CVE-2019-13047

CVSS V2 High 7.2 CVSS V3 High 7.8

Description

kernel/sys/syscall.c in ToaruOS through 1.10.9 has incorrect access control in sys_sysfunc case 9 for TOARU_SYS_FUNC_SETHEAP, allowing arbitrary kernel pages to be mapped into user land, leading to root access.

Overview

CVE ID
CVE-2019-13047

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-06-29T15:15:09

Last Modified Date
2022-09-29T17:55:52

Weakness Enumerations

CWE	URL
CWE-862	http://cwe.mitre.org/data/definitions/862.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:toaruos_project:toaruos::::::::	1	OR		1.10.9

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc.c	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2019-13047
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13047

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:34:43				Added to TrackCVE
2022-12-03 22:38:09	2019-06-29T15:15Z	2019-06-29T15:15:09	CVE Published Date	updated
2022-12-03 22:38:09		2022-09-29T17:55:52	CVE Modified Date	updated
2022-12-03 22:38:09		Analyzed	Vulnerability Status	updated