High severity · published Dec 4, 2018
CVE-2018-17159
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request
7.5
CVSS
4.2%
EPSS
No
On KEV
Description
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request. Unprivileged remote users with access to the NFS server can cause a resource exhaustion by forcing the server to allocate an arbitrarily large memory allocation.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
before 11.2; 11.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17159
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17159
Third Party Advisory
http://www.securityfocus.com/bid/106192
Third Party Advisory
http://www.securitytracker.com/id/1042164
Third Party Advisory
https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/
Third Party Advisory
https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc
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