A memory corruption vulnerability was found in the kernel function kern_getfsstat 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.
References
| Link | Resource |
|---|---|
| http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt | Exploit Vendor Advisory |
| https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c | Exploit Third Party Advisory |
| https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc | Patch Vendor Advisory |
| https://www.midnightbsd.org/notes/ | Release Notes Vendor Advisory |
| http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt | Exploit Vendor Advisory |
| https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c | Exploit Third Party Advisory |
| https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc | Patch Vendor Advisory |
| https://www.midnightbsd.org/notes/ | Release Notes Vendor Advisory |
Configurations
History
21 Nov 2024, 05:16
| Type | Values Removed | Values Added |
|---|---|---|
| References | () http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txt - Exploit, Vendor Advisory | |
| References | () https://github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.c - Exploit, Third Party Advisory | |
| References | () https://www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.asc - Patch, Vendor Advisory | |
| References | () https://www.midnightbsd.org/notes/ - Release Notes, Vendor Advisory |
Information
Published : 2020-09-03 15:15
Updated : 2024-11-21 05:16
NVD link : CVE-2020-24863
Mitre link : CVE-2020-24863
CVE.ORG link : CVE-2020-24863
JSON object : View
Products Affected
midnightbsd
- midnightbsd
freebsd
- freebsd
CWE
CWE-787
Out-of-bounds Write