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Ubuntu 18.04 LTS : Yaws vulnerabilities (USN-4569-1)

critical Nessus Plugin ID 141181

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Synopsis

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

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4569-1 advisory.

 It was discovered that Yaws did not properly sanitize XML input. A remote attacker could use this vulnerability to execute an XML External Entity (XXE) injection attack. (CVE-2020-24379)

 It was discovered that Yaws mishandled certain input when running CGI scripts. A remote attacker could use this vulnerability to execute arbitrary commands. (CVE-2020-24916)

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-4569-1

Plugin Details

Severity: Critical

ID: 141181

File Name: ubuntu_USN-4569-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 10/5/2020

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: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2020-24916

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:yaws-chat, p-cpe:/a:canonical:ubuntu_linux:erlang-yaws, p-cpe:/a:canonical:ubuntu_linux:yaws-wiki, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:yaws, p-cpe:/a:canonical:ubuntu_linux:yaws-mail, p-cpe:/a:canonical:ubuntu_linux:erlang-yapp, p-cpe:/a:canonical:ubuntu_linux:yaws-yapp

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/5/2020

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-24379, CVE-2020-24916

USN: 4569-1