Small Space of Random Values Affecting avahi package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-UBUNTU2004-AVAHI-8383328
  • published19 Nov 2024
  • disclosed21 Nov 2024

Introduced: 19 Nov 2024

CVE-2024-52616  (opens in a new tab)
CWE-334  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 avahi.

NVD Description

Note: Versions mentioned in the description apply only to the upstream avahi package and not the avahi package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. This predictable behavior facilitates DNS spoofing attacks, allowing attackers to guess transaction IDs.

CVSS Scores

version 3.1