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Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : ZenLib vulnerability (USN-6048-1)

high Nessus Plugin ID 174929

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-6048-1 advisory.

 - A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The name of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408.
 It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability. (CVE-2020-36646)

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 libzen-dev and / or libzen0v5 packages.

See Also

https://ubuntu.com/security/notices/USN-6048-1

Plugin Details

Severity: High

ID: 174929

File Name: ubuntu_USN-6048-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/28/2023

Updated: 2/29/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2020-36646

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libzen-dev, p-cpe:/a:canonical:ubuntu_linux:libzen0v5, p-cpe:/a:canonical:ubuntu_linux:libzen0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/28/2023

Vulnerability Publication Date: 1/7/2023

Reference Information

CVE: CVE-2020-36646

USN: 6048-1