Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : rsync vulnerabilities (USN-3543-1)

critical Nessus Plugin ID 106295

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that rsync incorrectly handled certain data input.
An attacker could possibly use this to cause a denial of service or execute arbitrary code. (CVE-2017-16548)

It was discovered that rsync incorrectly parsed certain arguments. An attacker could possibly use this to bypass arguments and execute arbitrary code. (CVE-2018-5764).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected rsync package.

See Also

https://usn.ubuntu.com/3543-1/

Plugin Details

Severity: Critical

ID: 106295

File Name: ubuntu_USN-3543-1.nasl

Version: 3.6

Type: local

Agent: unix

Published: 1/24/2018

Updated: 9/18/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:rsync, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/23/2018

Vulnerability Publication Date: 11/6/2017

Reference Information

CVE: CVE-2017-16548, CVE-2018-5764

USN: 3543-1