Description
In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a malicious user to overflow the counter allowing access to files, directories, and sockets opened by processes owned by other users.
Exploits (1)
References (6)
Core 6
Core References
Vendor Advisory vendor-advisory
x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.asc
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SA-19-15.mqueuefs.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190814-0003/
Third Party Advisory vendor-advisory
x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.asc
Broken Link mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/35
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SA-19-24.mqueuefs.html
Scores
CVSS v3
7.8
EPSS
0.0015
EPSS Percentile
34.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-404
Status
published
Products (4)
freebsd/freebsd
11.0
freebsd/freebsd
11.2 (12 CPE variants)
freebsd/freebsd
11.3
freebsd/freebsd
12.0 (8 CPE variants)
Published
Jul 26, 2019
Tracked Since
Feb 18, 2026