CVE-2019-5603

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory FreeBSD.org Vendor Advisory FreeBSD.org
Affected: FreeBSD FreeBSD
Published at:
Updated at:

References

Link Tags
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.asc vendor advisory
http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SA-19-15.mqueuefs.html vdb entry third party advisory
https://security.netapp.com/advisory/ntap-20190814-0003/ third party advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.asc third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Aug/35 mailing list broken link
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SA-19-24.mqueuefs.html vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-5603?
CVE-2019-5603 has been scored as a high severity vulnerability.
How to fix CVE-2019-5603?
To fix CVE-2019-5603, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-5603 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-5603 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5603?
CVE-2019-5603 affects FreeBSD FreeBSD.
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