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Ubuntu 16.04 LTS : atftp vulnerabilities (USN-4643-1)

critical Nessus Plugin ID 143242

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Synopsis

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

Description

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4643-1 advisory.

 It was discovered that atftp's FTP server did not properly handler certain input. An attacker could use this to to cause a denial of service (crash) or possibly execute arbitrary code. (CVE-2019-11365)

 It was discovered that atftp's FTP server did not make proper use of mutexes when locking certain data structures. An attacker could use this to cause a denial of service via a NULL pointer dereference.
 (CVE-2019-11366)

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 atftp and / or atftpd packages.

See Also

https://ubuntu.com/security/notices/USN-4643-1

Plugin Details

Severity: Critical

ID: 143242

File Name: ubuntu_USN-4643-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/24/2020

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-2019-11365

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:atftp, p-cpe:/a:canonical:ubuntu_linux:atftpd, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

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: 11/24/2020

Vulnerability Publication Date: 4/4/2019

Reference Information

CVE: CVE-2019-11365, CVE-2019-11366

BID: 108247

USN: 4643-1