high8.8Public exploit code
CVE-2019-5596
In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count impl…
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- FreeBSD-SA-19:02.fd - Privilege Escalation2019-12-30 · local · freebsd · Verified
- FreeBSD 12.0 - 'fd' Local Privilege Escalation2019-07-10 · local · freebsd
Impact
In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Freebsd | Freebsd | Versions 11.2, 12.0 |
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc
- http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc