SUSE SLED15 / SLES15 Security Update : freerdp (SUSE-SU-2019:0539-1)

critical Nessus Plugin ID 122608

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Synopsis

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

Description

This update for freerdp to version 2.0.0~rc4 fixes the following issues :

Security issues fixed :

CVE-2018-0886: Fix a remote code execution vulnerability (CredSSP) (bsc#1085416, bsc#1087240, bsc#1104918)

CVE-2018-8789: Fix several denial of service vulnerabilities in the in the NTLM Authentication module (bsc#1117965)

CVE-2018-8785: Fix a potential remote code execution vulnerability in the zgfx_decompress function (bsc#1117967)

CVE-2018-8786: Fix a potential remote code execution vulnerability in the update_read_bitmap_update function (bsc#1117966)

CVE-2018-8787: Fix a potential remote code execution vulnerability in the gdi_Bitmap_Decompress function (bsc#1117964)

CVE-2018-8788: Fix a potential remote code execution vulnerability in the nsc_rle_decode function (bsc#1117963)

CVE-2018-8784: Fix a potential remote code execution vulnerability in the zgfx_decompress_segment function (bsc#1116708)

CVE-2018-1000852: Fixed a remote memory access in the drdynvc_process_capability_request function (bsc#1120507)

Other issues: Upgraded to version 2.0.0-rc4 (FATE#326739)

Security and stability improvements, including bsc#1103557 and bsc#1112028

gateway: multiple fixes and improvements

client/X11: support for rail (remote app) icons was added

The licensing code was re-worked: Per-device licenses are now saved on the client and used on re-connect: WARNING: this is a change in FreeRDP behavior regarding licensing. If the old behavior is required, or no licenses should be saved use the new command line option +old-license (gh#/FreeRDP/FreeRDP#4979)

Improved order handling - only orders that were enable during capability exchange are accepted. WARNING and NOTE: some servers do improperly send orders that weren't negotiated, for such cases the new command line option /relax-order-checks was added to disable the strict order checking. If connecting to xrdp the options /relax-order-checks

*and* +glyph-cache are required. (gh#/FreeRDP/FreeRDP#4926)

Fixed automount issues

Fixed several audio and microphone related issues

Fixed X11 Right-Ctrl ungrab feature

Fixed race condition in rdpsnd channel server.

Disabled SSE2 for ARM and powerpc

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 Workstation Extension 15:zypper in -t patch SUSE-SLE-Product-WE-15-2019-539=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-539=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1085416

https://bugzilla.suse.com/show_bug.cgi?id=1087240

https://bugzilla.suse.com/show_bug.cgi?id=1103557

https://bugzilla.suse.com/show_bug.cgi?id=1104918

https://bugzilla.suse.com/show_bug.cgi?id=1112028

https://bugzilla.suse.com/show_bug.cgi?id=1116708

https://bugzilla.suse.com/show_bug.cgi?id=1117963

https://bugzilla.suse.com/show_bug.cgi?id=1117964

https://bugzilla.suse.com/show_bug.cgi?id=1117965

https://bugzilla.suse.com/show_bug.cgi?id=1117966

https://bugzilla.suse.com/show_bug.cgi?id=1117967

https://bugzilla.suse.com/show_bug.cgi?id=1120507

https://www.suse.com/security/cve/CVE-2018-0886/

https://www.suse.com/security/cve/CVE-2018-1000852/

https://www.suse.com/security/cve/CVE-2018-8784/

https://www.suse.com/security/cve/CVE-2018-8785/

https://www.suse.com/security/cve/CVE-2018-8786/

https://www.suse.com/security/cve/CVE-2018-8787/

https://www.suse.com/security/cve/CVE-2018-8788/

https://www.suse.com/security/cve/CVE-2018-8789/

http://www.nessus.org/u?0290b032

Plugin Details

Severity: Critical

ID: 122608

File Name: suse_SU-2019-0539-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/5/2019

Updated: 5/23/2022

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

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

CVSS Score Source: CVE-2018-0886

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

CVSS Score Source: CVE-2018-8788

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:freerdp-debuginfo, p-cpe:/a:novell:suse_linux:freerdp-debugsource, p-cpe:/a:novell:suse_linux:freerdp-server, p-cpe:/a:novell:suse_linux:freerdp-server-debuginfo, p-cpe:/a:novell:suse_linux:freerdp-wayland, p-cpe:/a:novell:suse_linux:freerdp-wayland-debuginfo, p-cpe:/a:novell:suse_linux:libuwac0, p-cpe:/a:novell:suse_linux:libuwac0-0-debuginfo, p-cpe:/a:novell:suse_linux:uwac0-0-devel, 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: 3/4/2019

Vulnerability Publication Date: 3/14/2018

Reference Information

CVE: CVE-2018-0886, CVE-2018-1000852, CVE-2018-8784, CVE-2018-8785, CVE-2018-8786, CVE-2018-8787, CVE-2018-8788, CVE-2018-8789