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SUSE SLED15 / SLES15 Security Update : libu2f-host (SUSE-SU-2021:1755-1)

medium Nessus Plugin ID 149976

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Synopsis

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

Description

This update for libu2f-host fixes the following issues :

This update ships the u2f-host package (jsc#ECO-3687 bsc#1184648)

Version 1.1.10 (released 2019-05-15)

Add new devices to udev rules.

Fix a potentially uninitialized buffer (CVE-2019-9578, bsc#1128140)

Version 1.1.9 (released 2019-03-06)

Fix CID copying from the init response, which broke compatibility with some devices.

Version 1.1.8 (released 2019-03-05)

Add udev rules

Drop 70-old-u2f.rules and use 70-u2f.rules for everything

Use a random nonce for setting up CID to prevent fingerprinting

CVE-2019-9578: Parse the response to init in a more stable way to prevent leakage of uninitialized stack memory back to the device (bsc#1128140).

Version 1.1.7 (released 2019-01-08)

Fix for trusting length from device in device init.

Fix for buffer overflow when receiving data from device. (YSA-2019-01, CVE-2018-20340, bsc#1124781)

Add udev rules for some new devices.

Add udev rule for Feitian ePass FIDO

 - Add a timeout to the register and authenticate actions.

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 Basesystem 15-SP3 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-1755=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-1755=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1124781

https://bugzilla.suse.com/show_bug.cgi?id=1128140

https://bugzilla.suse.com/show_bug.cgi?id=1184648

https://www.suse.com/security/cve/CVE-2018-20340/

https://www.suse.com/security/cve/CVE-2019-9578/

http://www.nessus.org/u?a4095e28

Plugin Details

Severity: Medium

ID: 149976

File Name: suse_SU-2021-1755-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/26/2021

Updated: 6/1/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2018-20340

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libu2f-host-debuginfo, p-cpe:/a:novell:suse_linux:libu2f-host-debugsource, p-cpe:/a:novell:suse_linux:libu2f-host-devel, p-cpe:/a:novell:suse_linux:libu2f-host0, p-cpe:/a:novell:suse_linux:libu2f-host0-debuginfo, p-cpe:/a:novell:suse_linux:u2f-host, p-cpe:/a:novell:suse_linux:u2f-host-debuginfo, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/25/2021

Vulnerability Publication Date: 3/5/2019

Reference Information

CVE: CVE-2018-20340, CVE-2019-9578