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Ubuntu 20.04 ESM : Nanopb vulnerabilities (USN-6121-1)

high Nessus Plugin ID 176490

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Synopsis

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

Description

The remote Ubuntu 20.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6121-1 advisory.

 It was discovered that Nanopb incorrectly handled certain decode messages. An attacker could possibly use this cause a denial of service or expose sensitive information. (CVE-2020-26243)

 It was discovered that Nanopb incorrectly handled certain decode messages. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-21401)

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 libnanopb-dev and / or nanopb packages.

See Also

https://ubuntu.com/security/notices/USN-6121-1

Plugin Details

Severity: High

ID: 176490

File Name: ubuntu_USN-6121-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/30/2023

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: 5.0

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.3

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

CVSS Score Source: CVE-2021-21401

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:nanopb, p-cpe:/a:canonical:ubuntu_linux:libnanopb-dev, cpe:/o:canonical:ubuntu_linux:20.04:-: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: 5/30/2023

Vulnerability Publication Date: 11/25/2020

Reference Information

CVE: CVE-2020-26243, CVE-2021-21401

USN: 6121-1