Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | < 11.2 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/106192Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1042164Third Party AdvisoryVDB Entry
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/Third Party Advisory
- https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.ascThird Party Advisory
- http://www.securityfocus.com/bid/106192Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1042164Third Party AdvisoryVDB Entry
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24/Third Party Advisory
- https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.ascThird Party Advisory
FAQ
What is CVE-2018-17159?
CVE-2018-17159 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 reso...
How severe is CVE-2018-17159?
CVE-2018-17159 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-17159?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.