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Category:   OS (UNIX)  >   FreeBSD Kernel Vendors:   FreeBSD
FreeBSD NFS Server Code Flaws Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1042164
SecurityTracker URL:
CVE Reference:   CVE-2018-17157, CVE-2018-17158, CVE-2018-17159   (Links to External Site)
Date:  Nov 28 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 11.2
Description:   Several vulnerabilities were reported in FreeBSD Kernel. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted network file system (NFS) content that, when loaded by the target user, either remotely or locally, will trigger a flaw in the FreeBSD NFS server code and cause the target system to crash or potentially execute arbitrary code.

Systems that do not provide NFS services are not affected.

Jakub Jirasek, Secunia Research at Flexera reported these vulnerabilities.

Impact:   A remote user can create content that will execute arbitrary code on the target user's system.
Solution:   FreeBSD has issued a fix.

The FreeBSD advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Not specified

Message History:   None.

 Source Message Contents

Subject:  FreeBSD Security Advisory FreeBSD-SA-18:13.nfs

[Original Message Not Available for Viewing]

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Content previously copyright LLC placed in the public domain on December 31, 2019.