Azure Linux 3.0 Security Update: glibc (CVE-2023-5156)

critical Nessus Plugin ID 215876

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of glibc installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-5156 advisory.

- A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which May result in an application crash. (CVE-2023-5156)

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://nvd.nist.gov/vuln/detail/CVE-2023-5156

Plugin Details

Severity: Critical

ID: 215876

File Name: azure_linux_CVE-2023-5156.nasl

Version: 1.1

Type: local

Published: 2/10/2025

Updated: 2/10/2025

Supported Sensors: 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-2023-5156

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:glibc-nscd, p-cpe:/a:microsoft:azure_linux:glibc-tools, p-cpe:/a:microsoft:azure_linux:glibc, p-cpe:/a:microsoft:azure_linux:glibc-locales-all, p-cpe:/a:microsoft:azure_linux:glibc-lang, p-cpe:/a:microsoft:azure_linux:glibc-devel, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:glibc-i18n, p-cpe:/a:microsoft:azure_linux:glibc-static, p-cpe:/a:microsoft:azure_linux:glibc-iconv, p-cpe:/a:microsoft:azure_linux:glibc-debuginfo

Required KB Items: Host/local_checks_enabled, Host/AzureLinux/release, Host/AzureLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 7/9/2024

Vulnerability Publication Date: 9/25/2023

Reference Information

CVE: CVE-2023-5156