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Ubuntu 18.04 ESM : Bundler vulnerability (USN-4870-1)

high Nessus Plugin ID 183182

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 18.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-4870-1 advisory.

 It was discovered that Bundler incorrectly created directories with insecure permissions in /tmp. An attacker could write malicious libraries to this location for later execution.

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 bundler and / or ruby-bundler packages.

See Also

https://ubuntu.com/security/notices/USN-4870-1

Plugin Details

Severity: High

ID: 183182

File Name: ubuntu_USN-4870-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/16/2023

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: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS Score Source: CVE-2019-3881

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:ruby-bundler, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:bundler

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/15/2021

Vulnerability Publication Date: 9/4/2020

Reference Information

CVE: CVE-2019-3881

USN: 4870-1