CVE-2018-17159 json
In FreeBSD before 11.2-STABLE(r340854) and 11.2-RELEASE-p5, the NFS server lacks a bounds check in the READDIRPLUS NFS request.
published 2018-12-04 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8934
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.2%
- EPSS 4.2% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- freebsd freebsd 11.2
Exploit prediction
4.21% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- FreeBSD FreeBSD
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
security.freebsd.org
/advisories/FreeBSD-SA-18:13.nfs.asc
vendor-advisory, third-party-advisory
-
securityfocus.com
/bid/106192
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1042164
vdb-entry, third-party-advisory
-
secuniaresearch.flexerasoftware.com
/secunia_research/2018-24/
third-party-advisory
Sources
- CVE List CVE-2018-17159
- NVD CVE-2018-17159
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