CVE-2020-24863: Medium severity midnightbsd vulnerability

Published Sep 3, 2020
·
Updated

A memory corruption vulnerability was found in the kernel function kerngetfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode.

Affected Software

3 affected components
MidnightBSD MidnightBSD<1.2.7
MidnightBSD MidnightBSD>=1.3<=2020-08-19
FreeBSD FreeBSD<=11.4

Event History

Sep 3, 2020
CVE Published
via MITRE·02:34 PM
Data Sourced
via MITRE·02:34 PM
Description
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Frequently Asked Questions

1

What is CVE-2020-24863?

CVE-2020-24863 is a memory corruption vulnerability found in the kernel function kern_getfsstat in MidnightBSD and FreeBSD, allowing an attacker to crash the system.

2

Which software versions are affected by CVE-2020-24863?

MidnightBSD versions 1.2.7 and earlier, MidnightBSD versions 1.3 through 2020-08-19, and FreeBSD versions up to 11.4 are affected by CVE-2020-24863.

3

What is the severity of CVE-2020-24863?

CVE-2020-24863 has a severity score of 5.5, which is considered medium.

4

How can an attacker exploit CVE-2020-24863?

An attacker can exploit CVE-2020-24863 by triggering an invalid free and crashing the system using a crafted size value in conjunction with an invalid mode.

5

Where can I find more information about CVE-2020-24863?

You can find more information about CVE-2020-24863 in the following references: [link1], [link2], [link3].

Contact

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