Reachable Assertion Affecting avahi-compat-libdns_sd package, versions <0:0.8-15.el9


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ORACLE9-AVAHICOMPATLIBDNSSD-6067072
  • published17 Nov 2023
  • disclosed7 May 2021

Introduced: 7 May 2021

CVE-2021-3502  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Oracle:9 avahi-compat-libdns_sd to version 0:0.8-15.el9 or higher.
This issue was patched in ELSA-2023-6707.

NVD Description

Note: Versions mentioned in the description apply only to the upstream avahi-compat-libdns_sd package and not the avahi-compat-libdns_sd package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

A flaw was found in avahi 0.8-5. A reachable assertion is present in avahi_s_host_name_resolver_start function allowing a local attacker to crash the avahi service by requesting hostname resolutions through the avahi socket or dbus methods for invalid hostnames. The highest threat from this vulnerability is to the service availability.

CVSS Scores

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