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Ubuntu 16.04 ESM : Zstandard vulnerability (USN-5593-1)

high Nessus Plugin ID 164655

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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-5593-1 advisory.

 - A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.
 (CVE-2019-11922)

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 libzstd1, libzstd1-dev and / or zstd packages.

See Also

https://ubuntu.com/security/notices/USN-5593-1

Plugin Details

Severity: High

ID: 164655

File Name: ubuntu_USN-5593-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/2/2022

Updated: 7/12/2023

Supported Sensors: Agentless 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: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2019-11922

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libzstd1, p-cpe:/a:canonical:ubuntu_linux:libzstd1-dev, p-cpe:/a:canonical:ubuntu_linux:zstd

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/1/2022

Vulnerability Publication Date: 7/25/2019

Reference Information

CVE: CVE-2019-11922

USN: 5593-1