SB2025013041 - Red Hat Enterprise Linux 8 update for unbound

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Main Vulnerability Database SB2025013041

SB2025013041 - Red Hat Enterprise Linux 8 update for unbound

Published: January 30, 2025

Security Bulletin ID SB2025013041
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Missing authorization (CVE-ID: CVE-2024-1488)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to missing authorization in the unbound.service that listens on localhost on port 8953. A local user can send a specially crafted request and alter the server configuration.


2) Resource exhaustion (CVE-ID: CVE-2024-8508)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling replies with very large RRsets. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References