CVE-2019-5603 — HIGH (7.8) — White Hats Nepal

Vulnerability 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 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Freebsd	Freebsd	11.0

Related Weaknesses (CWE)

CWE-404

References

http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SAThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SAThird Party AdvisoryVDB Entry
https://seclists.org/bugtraq/2019/Aug/35Broken Link
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.ascVendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.ascThird Party Advisory
https://security.netapp.com/advisory/ntap-20190814-0003/Third Party Advisory
http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SAThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SAThird Party AdvisoryVDB Entry
https://seclists.org/bugtraq/2019/Aug/35Broken Link
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.ascVendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.ascThird Party Advisory
https://security.netapp.com/advisory/ntap-20190814-0003/Third Party Advisory

FAQ

What is CVE-2019-5603?

CVE-2019-5603 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 oper...

How severe is CVE-2019-5603?

CVE-2019-5603 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-5603?

Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.