Detections
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MiracleLinux 7 : unbound-1.6.6-5.0.1.el7.AXS7 (AXSA:2024-8714:05)

high Nessus Plugin ID 293233

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Synopsis

The remote MiracleLinux host is missing a security update.

Description

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-8714:05 advisory.

 * CVE-2023-50387: enhanced DNS resolver performance and stability by optimizing the handling of DNSSEC responses, reducing the potential for resource exhaustion CVE(s):
 CVE-2023-50387 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the KeyTrap issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.

Tenable has extracted the preceding description block directly from the MiracleLinux 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 unbound and / or unbound-libs packages.

See Also

https://tsn.miraclelinux.com/en/node/19898

Plugin Details

Severity: High

ID: 293233

File Name: miracle_linux_AXSA-2024-8714.nasl

Version: 1.1

Type: local

Published: 1/20/2026

Updated: 1/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

Vendor

Vendor Severity: High

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-2023-50387

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: p-cpe:/a:miracle:linux:unbound-libs, p-cpe:/a:miracle:linux:unbound, cpe:/o:miracle:linux:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/26/2024

Vulnerability Publication Date: 2/13/2024

Reference Information

CVE: CVE-2023-50387