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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : OpenJDK vulnerability (USN-4892-1)

medium Nessus Plugin ID 149032

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4892-1 advisory.

 It was discovered that OpenJDK incorrectly verified Jar signatures. An attacker could possibly use this issue to bypass intended security restrictions when using Jar files signed with a disabled algorithm.

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 packages.

See Also

https://ubuntu.com/security/notices/USN-4892-1

Plugin Details

Severity: Medium

ID: 149032

File Name: ubuntu_USN-4892-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 4/28/2021

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: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2021-2163

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:openjdk-11-jre, p-cpe:/a:canonical:ubuntu_linux:openjdk-11-demo, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openjdk-11-source, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openjdk-11-jdk, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-demo, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jdk, p-cpe:/a:canonical:ubuntu_linux:openjdk-11-jdk-headless, p-cpe:/a:canonical:ubuntu_linux:openjdk-11-jre-headless, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre, p-cpe:/a:canonical:ubuntu_linux:openjdk-11-jre-zero, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-source, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre-jamvm, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jdk-headless, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre-zero, p-cpe:/a:canonical:ubuntu_linux:openjdk-8-jre-headless

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: 4/27/2021

Vulnerability Publication Date: 4/20/2021

Reference Information

CVE: CVE-2021-2163

USN: 4892-1