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Ubuntu 16.04 ESM : xrdp vulnerabilities (USN-4815-1)

high Nessus Plugin ID 183700

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4815-1 advisory.

 It was discovered that xrdp did not properly validate certain input in the session manager. A local attacker could possibly use this issue to cause a denial of service or other unspecified impact.
 (CVE-2017-16927)

 It was discovered that xrdp did not properly initialize PAM session modules. A remote attacker could possibly use this issue to escalate privileges. (CVE-2017-6967)

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 xrdp package.

See Also

https://ubuntu.com/security/notices/USN-4815-1

Plugin Details

Severity: High

ID: 183700

File Name: ubuntu_USN-4815-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/23/2023

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2017-6967

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

Vector: CVSS:3.0/AV:L/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

CVSS Score Source: CVE-2017-16927

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:xrdp, cpe:/o:canonical:ubuntu_linux:16.04:-:esm

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/15/2021

Vulnerability Publication Date: 3/17/2017

Reference Information

CVE: CVE-2017-16927, CVE-2017-6967

USN: 4815-1