RHEL 7 : freerdp (RHSA-2019:0697)

critical Nessus Plugin ID 123647

Synopsis

The remote Red Hat host is missing one or more security updates for freerdp.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0697 advisory.

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license.
The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.

Security Fix(es):

* freerdp: Integer truncation leading to heap-based buffer overflow in update_read_bitmap_update() function (CVE-2018-8786)

* freerdp: Integer overflow leading to heap-based buffer overflow in gdi_Bitmap_Decompress() function (CVE-2018-8787)

* freerdp: Out-of-bounds write in nsc_rle_decode() function (CVE-2018-8788)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL freerdp package based on the guidance in RHSA-2019:0697.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1671363

http://www.nessus.org/u?633e9842

https://access.redhat.com/errata/RHSA-2019:0697

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=1671359

https://bugzilla.redhat.com/show_bug.cgi?id=1671361

Plugin Details

Severity: Critical

ID: 123647

File Name: redhat-RHSA-2019-0697.nasl

Version: 1.9

Type: local

Agent: unix

Published: 4/3/2019

Updated: 11/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2018-8788

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:freerdp, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:freerdp-plugins, p-cpe:/a:redhat:enterprise_linux:freerdp-devel, p-cpe:/a:redhat:enterprise_linux:freerdp-libs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/2/2019

Vulnerability Publication Date: 11/29/2018

Reference Information

CVE: CVE-2018-8786, CVE-2018-8787, CVE-2018-8788

CWE: 119, 122, 787

RHSA: 2019:0697