TI-2018-12265 Aliases CVE-2018-17159 GHSA-cfxc-v7ff-27xq

Uncontrolled resource consumption in FreeBSD

MEDIUM 40CWE-400Published 2018-12-04 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-400.

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.

Why it matters now

EPSS 0.04208 91st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
FreeBSD	FreeBSD	FreeBSD 11.2 before 11.2-RELEASE-p5	—	No fix listed	CNA

FreeBSD VendorFreeBSD Affected FreeBSD 11.2 before 11.2-RELEASE-p5 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:freebsd:freebsd::::::::	before 11.2	Vulnerable	FreeBSD
cpe:2.3:o:freebsd:freebsd:11.2:p5::::::	11.2 p5	Vulnerable	FreeBSD

cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* Versions before 11.2 Vulnerable ·FreeBSD
cpe:2.3:o:freebsd:freebsd:11.2:p5:*:*:*:*:*:* Versions 11.2 p5 Vulnerable ·FreeBSD

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2018-12-04
FreeBSD — FreeBSD-SA-18:13
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2018-12263 Integer overflow in FreeBSDPriority MEDIUM 63
- TI-2018-12264 Integer overflow in FreeBSDPriority MEDIUM 40
Show all 3 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2018-17159
2026-10-03 Alias added: GHSA-cfxc-v7ff-27xq

References

Advisory 2

TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0

See all 576 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences