Resource Management Errors Affecting avahi package, versions <0.6.23-3


Severity

Recommended
low

Based on Debian security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    95.5% (100th percentile)

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  • Snyk ID SNYK-DEBIAN13-AVAHI-5675243
  • published 17 Dec 2008
  • disclosed 17 Dec 2008

How to fix?

Upgrade Debian:13 avahi to version 0.6.23-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream avahi package and not the avahi package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

The originates_from_local_legacy_unicast_socket function (avahi-core/server.c) in avahi-daemon in Avahi before 0.6.24 allows remote attackers to cause a denial of service (crash) via a crafted mDNS packet with a source port of 0, which triggers an assertion failure.

CVSS Scores

version 3.1
Expand this section

NVD

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low