CVE-2019-5603 Information

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.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SA-19-15.mqueuefs.html http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SA-19-24.mqueuefs.html https://seclists.org/bugtraq/2019/Aug/35 https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.asc https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.asc https://security.netapp.com/advisory/ntap-20190814-0003/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8