CVE-2019-13048 Information

Description

kernel/sys/syscall.c in ToaruOS through 1.10.9 allows a denial of service upon a critical error in certain sys_sbrk allocation patterns (involving PAGE_SIZE and a value less than PAGE_SIZE).

CVSS Vector

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

Reference

https://github.com/mehsauce/kowasuos/blob/master/dos/kowasu-sbrk.c

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5