nfs-utils: CVE-2019-3689: root-owned files stored in insecure /var/lib/nfs

Debian Bug report logs - #940848
nfs-utils: CVE-2019-3689: root-owned files stored in insecure /var/lib/nfs

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: nfs-utils:CVE-2019-3689: root-owned files stored in insecure /var/lib/nfs

Date: Fri, 20 Sep 2019 22:04:36 +0200

Source: nfs-utils
Version: 1:1.3.4-2.5
Severity: normal
Tags: security upstream

Hi,

The following vulnerability was published for nfs-utils. Please note
that even thoug the description mentions the SUSE packages in Debian
similarly /var/lib/nfs is used.

CVE-2019-3689[0]:
| The nfs-utils package in SUSE Linux Enterprise Server 12 before and
| including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15
| before and including version 2.1.1-6.10.2 the directory /var/lib/nfs
| is owned by statd:nogroup. This directory contains files owned and
| managed by root. If statd is compromised, it can therefore trick
| processes running with root privileges into creating/overwriting files
| anywhere on the system if fs.protected_symlinks is not set


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-3689
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3689
[1] https://bugzilla.suse.com/show_bug.cgi?id=1150733
[2] https://build.opensuse.org/request/show/731364

Regards,
Salvatore

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