SUSE SLED15 / SLES15 Security Update : salt (SUSE-SU-2020:3155-1)

critical Nessus Plugin ID 143874

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for salt fixes the following issues :

Properly validate eauth credentials and tokens on SSH calls made by Salt API (bsc#1178319, bsc#1178362, bsc#1178361, CVE-2020-25592, CVE-2020-17490, CVE-2020-16846)

Fix disk.blkid to avoid unexpected keyword argument '__pub_user'.
(bsc#1177867)

Ensure virt.update stop_on_reboot is updated with its default value.

Do not break package building for systemd OSes.

Drop wrong mock from chroot unit test.

Support systemd versions with dot. (bsc#1176294)

Fix for grains.test_core unit test.

Fix file/directory user and group ownership containing UTF-8 characters. (bsc#1176024)

Several changes to virtualization :

- Fix virt update when cpu and memory are changed.

- Memory Tuning GSoC.

- Properly fix memory setting regression in virt.update.

- Expose libvirt on_reboot in virt states.

Support transactional systems (MicroOS).

zypperpkg module ignores retcode 104 for search(). (bsc#1159670)

Xen disk fixes. No longer generates volumes for Xen disks, but the corresponding file or block disk. (bsc#1175987)

Invalidate file list cache when cache file modified time is in the future. (bsc#1176397)

Prevent import errors when running test_btrfs unit tests.

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

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Server Applications 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-3155=1

SUSE Linux Enterprise Module for Python2 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2020-3155=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3155=1

Plugin Details

Severity: Critical

ID: 143874

File Name: suse_SU-2020-3155-1.nasl

Version: 1.8

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 12/9/2020

Updated: 4/25/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2020-25592

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:salt, p-cpe:/a:novell:suse_linux:python2-salt, p-cpe:/a:novell:suse_linux:salt-minion, p-cpe:/a:novell:suse_linux:salt-proxy, p-cpe:/a:novell:suse_linux:salt-api, p-cpe:/a:novell:suse_linux:python3-salt, p-cpe:/a:novell:suse_linux:salt-ssh, p-cpe:/a:novell:suse_linux:salt-master, p-cpe:/a:novell:suse_linux:salt-standalone-formulas-configuration, p-cpe:/a:novell:suse_linux:salt-doc, p-cpe:/a:novell:suse_linux:salt-cloud, p-cpe:/a:novell:suse_linux:salt-syndic, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 11/6/2020

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Exploitable With

Metasploit (SaltStack Salt REST API Arbitrary Command Execution)

Reference Information

CVE: CVE-2020-16846, CVE-2020-17490, CVE-2020-25592

Detections

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