Ubuntu 18.10 / 19.04 : Monit vulnerabilities (USN-3971-1)

high Nessus Plugin ID 124718


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


Zack Flack discovered that Monit incorrectly handled certain input. A remote authenticated user could exploit this to conduct cross-site scripting (XSS) attacks. (CVE-2019-11454)

Zack Flack discovered a buffer overread when Monit decoded certain crafted URLs. An attacker could exploit this to leak potentially sensitive information. (CVE-2019-11455).

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.


Update the affected monit package.

See Also


Plugin Details

Severity: High

ID: 124718

File Name: ubuntu_USN-3971-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/9/2019

Updated: 5/24/2024

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

Risk Information


Risk Factor: Medium

Score: 6.0


Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.3

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

CVSS Score Source: CVE-2019-11455


Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:19.04, p-cpe:/a:canonical:ubuntu_linux:monit, cpe:/o:canonical:ubuntu_linux:18.10

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: 5/8/2019

Vulnerability Publication Date: 4/22/2019

Reference Information

CVE: CVE-2019-11454, CVE-2019-11455

USN: 3971-1