High severity · published Jul 26, 2019
CVE-2019-5603
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…
7.8
CVSS
0.6%
EPSS
No
On KEV
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
11.0; 11.2; 11.2; 11.2; 11.2; 11.2; +16 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5603
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5603
Third Party Advisory
http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SA-19-15.mqueuefs.html
Third Party Advisory
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SA-19-24.mqueuefs.html
Broken Link
https://seclists.org/bugtraq/2019/Aug/35
Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.asc
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.asc
Third Party Advisory
https://security.netapp.com/advisory/ntap-20190814-0003/
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