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Ubuntu 16.04 ESM / 18.04 LTS : shadow vulnerabilities (USN-5254-1)

critical Nessus Plugin ID 157160

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5254-1 advisory.

 It was discovered that shadow incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or expose sensitive information. This issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. (CVE-2017-12424)

 It was discovered that shadow incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2018-7169)

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 login, passwd and / or uidmap packages.

See Also

https://ubuntu.com/security/notices/USN-5254-1

Plugin Details

Severity: Critical

ID: 157160

File Name: ubuntu_USN-5254-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 1/27/2022

Updated: 8/28/2024

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: 5.9

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

CVSS Score Source: CVE-2017-12424

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: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:passwd, p-cpe:/a:canonical:ubuntu_linux:uidmap, p-cpe:/a:canonical:ubuntu_linux:login, cpe:/o:canonical:ubuntu_linux:16.04:-:esm

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: 1/27/2022

Vulnerability Publication Date: 8/4/2017

Reference Information

CVE: CVE-2017-12424, CVE-2018-7169

USN: 5254-1