Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2021-3502: Moderate: avahi security update (ALSA-2023-6707)

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Alma Linux: CVE-2021-3502: Moderate: avahi security update (ALSA-2023-6707)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
05/07/2021
Created
11/17/2023
Added
11/16/2023
Modified
11/16/2023

Description

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.

Solution(s)

  • alma-upgrade-avahi
  • alma-upgrade-avahi-compat-howl
  • alma-upgrade-avahi-compat-howl-devel
  • alma-upgrade-avahi-compat-libdns_sd
  • alma-upgrade-avahi-compat-libdns_sd-devel
  • alma-upgrade-avahi-devel
  • alma-upgrade-avahi-glib
  • alma-upgrade-avahi-glib-devel
  • alma-upgrade-avahi-libs
  • alma-upgrade-avahi-tools

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