PT-2018-13931 · Freebsd · Freebsd

Jakub Jirasek · Published 2018-12-04 · Updated 2018-12-31 · CVE-2018-17158

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions FreeBSD versions prior to 11.2-STABLE(r340854) and prior to 11.2-RELEASE-p5

Description An integer overflow error can occur when handling the client address length field in an NFSv4 request, allowing unprivileged remote users with access to the NFS server to crash the system by sending a specially crafted NFSv4 request.

Recommendations For versions prior to 11.2-STABLE(r340854), update to 11.2-STABLE(r340854) or later. For versions prior to 11.2-RELEASE-p5, update to 11.2-RELEASE-p5 or later.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2018-17158

Affected Products

Freebsd

References · 6

• https://osv.dev/vulnerability/CVE-2018-17158 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-17158 · Security Note
• https://security.freebsd.org/advisories/FreeBSD-SA-18:13.nfs.asc · Vendor Advisory
• https://secuniaresearch.flexerasoftware.com/secunia_research/2018-24 · Note
• http://securitytracker.com/id/1042164 · Note
• http://securityfocus.com/bid/106192 · Note