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Debian DLA-1635-1 : sssd security update

medium Nessus Plugin ID 121233

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Synopsis

The remote Debian host is missing a security update.

Description

A vulnerability was found in sssd. If a user was configured with no home directory set, sssd would return '/' (the root directory) instead of '' (the empty string / no home directory). This could impact services that restrict the user's filesystem access to within their home directory through chroot() etc.

For Debian 8 'Jessie', this problem has been fixed in version 1.11.7-3+deb8u2.

We recommend that you upgrade your sssd packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2019/01/msg00011.html

https://packages.debian.org/source/jessie/sssd

Plugin Details

Severity: Medium

ID: 121233

File Name: debian_DLA-1635.nasl

Version: 1.6

Type: local

Agent: unix

Published: 1/18/2019

Updated: 6/26/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.7

Temporal Score: 2

Vector: CVSS2#AV:A/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2019-3811

CVSS v3

Risk Factor: Medium

Base Score: 5.2

Temporal Score: 4.5

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:sssd-tools, p-cpe:/a:debian:debian_linux:libsss-nss-idmap-dev, p-cpe:/a:debian:debian_linux:libsss-nss-idmap0, p-cpe:/a:debian:debian_linux:libipa-hbac0, p-cpe:/a:debian:debian_linux:sssd-dbus, p-cpe:/a:debian:debian_linux:libsss-idmap0, p-cpe:/a:debian:debian_linux:libsss-idmap-dev, p-cpe:/a:debian:debian_linux:python-libipa-hbac, p-cpe:/a:debian:debian_linux:sssd-ad-common, p-cpe:/a:debian:debian_linux:python-sss, p-cpe:/a:debian:debian_linux:sssd-krb5-common, p-cpe:/a:debian:debian_linux:sssd-ldap, p-cpe:/a:debian:debian_linux:sssd-ad, p-cpe:/a:debian:debian_linux:sssd-krb5, p-cpe:/a:debian:debian_linux:sssd, p-cpe:/a:debian:debian_linux:libnss-sss, p-cpe:/a:debian:debian_linux:libipa-hbac-dev, p-cpe:/a:debian:debian_linux:python-libsss-nss-idmap, p-cpe:/a:debian:debian_linux:sssd-common, p-cpe:/a:debian:debian_linux:libpam-sss, p-cpe:/a:debian:debian_linux:sssd-ipa, p-cpe:/a:debian:debian_linux:sssd-proxy, p-cpe:/a:debian:debian_linux:libsss-sudo, cpe:/o:debian:debian_linux:8.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/17/2019

Vulnerability Publication Date: 1/15/2019

Reference Information

CVE: CVE-2019-3811