Ubuntu 16.04 ESM : S-nail vulnerability (USN-4820-1)

high Nessus Plugin ID 183573

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-4820-1 advisory.

It was discovered that S-nail incorrectly handled paths. An attacker could possible use this issue to write arbitrary files and escalate privileges.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected heirloom-mailx and / or s-nail packages.

See Also

https://ubuntu.com/security/notices/USN-4820-1

Plugin Details

Severity: High

ID: 183573

File Name: ubuntu_USN-4820-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/20/2023

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: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2017-5899

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/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:s-nail, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:heirloom-mailx

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: 3/15/2021

Vulnerability Publication Date: 2/7/2017

Reference Information

CVE: CVE-2017-5899

USN: 4820-1