CVE-2024-8418

Summary

A flaw was found in Aardvark-dns, which is vulnerable to a Denial of Service attack due to the serial processing of TCP DNS queries. An attacker can exploit this flaw by keeping a TCP connection open indefinitely, causing the server to become unresponsive and resulting in other DNS queries timing out. This issue prevents legitimate users from accessing DNS services, thereby disrupting normal operations and causing service downtime.

Affected Software

VendorProductVersion RangeStatus
1.12.0affected
1.12.1affected
Red HatRed Hat Enterprise Linux 92:1.14.0-1.el9 < *unaffected

Weaknesses

  • CWE-400: Uncontrolled Resource Consumption

Workarounds

It is advised to upgrade aardvark-dns to version 1.12.1 or higher.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References