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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : FreeRDP vulnerabilities (USN-3845-1)

critical Nessus Plugin ID 119655

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3845-1 advisory.

 Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings.

 A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 18.04 LTS and Ubuntu 18.10.
 (CVE-2018-8784, CVE-2018-8785)

 Eyal Itkin discovered FreeRDP incorrectly handled bitmaps.

 A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-8786, CVE-2018-8787)

 Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings.

 A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8788)

 Eyal Itkin discovered FreeRDP incorrectly handled NTLM authentication.

 A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-8789)

Tenable has extracted the preceding description block directly from the Ubuntu 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 affected packages.

See Also

https://ubuntu.com/security/notices/USN-3845-1

Plugin Details

Severity: Critical

ID: 119655

File Name: ubuntu_USN-3845-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 12/13/2018

Updated: 8/27/2024

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

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:canonical:ubuntu_linux:libwinpr-thread0.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-rail1.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-utils0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-asn1-0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr2-2, p-cpe:/a:canonical:ubuntu_linux:libwinpr-path0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-bcrypt0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-rpc0.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-shadow-subsystem2-2, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-dev, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-codec1.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-interlocked0.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-server2-2, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-utils1.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-synch0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-error0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-pipe0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-dev, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-plugins-standard, p-cpe:/a:canonical:ubuntu_linux:libwinpr-winsock0.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-core1.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-pool0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-sspicli0.1, p-cpe:/a:canonical:ubuntu_linux:winpr-utils, p-cpe:/a:canonical:ubuntu_linux:freerdp2-wayland, p-cpe:/a:canonical:ubuntu_linux:libuwac0-0, p-cpe:/a:canonical:ubuntu_linux:libwinpr-input0.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-cache1.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-primitives1.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-locale1.1, p-cpe:/a:canonical:ubuntu_linux:libuwac0-dev, p-cpe:/a:canonical:ubuntu_linux:libwinpr2-dev, p-cpe:/a:canonical:ubuntu_linux:libwinpr-sysinfo0.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-common1.1.0, p-cpe:/a:canonical:ubuntu_linux:libwinpr-registry0.1, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-client2-2, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-crypto1.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-crypto0.1, p-cpe:/a:canonical:ubuntu_linux:freerdp-x11, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-client1.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-handle0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-library0.1, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libwinpr-crt0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-dsparse0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-heap0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-timezone0.1, p-cpe:/a:canonical:ubuntu_linux:freerdp2-dev, p-cpe:/a:canonical:ubuntu_linux:libwinpr-io0.1, p-cpe:/a:canonical:ubuntu_linux:freerdp2-shadow-x11, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-gdi1.1, p-cpe:/a:canonical:ubuntu_linux:libxfreerdp-client1.1, p-cpe:/a:canonical:ubuntu_linux:libfreerdp2-2, p-cpe:/a:canonical:ubuntu_linux:libfreerdp-shadow2-2, p-cpe:/a:canonical:ubuntu_linux:libwinpr-environment0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-credui0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-tools2-2, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libwinpr-file0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-credentials0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-sspi0.1, p-cpe:/a:canonical:ubuntu_linux:libwinpr-winhttp0.1, p-cpe:/a:canonical:ubuntu_linux:freerdp2-x11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/12/2018

Vulnerability Publication Date: 11/29/2018

Reference Information

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

USN: 3845-1