ALSA-2023:7836

Dashboard / Vulnerabilities / ALSA-2023:7836

ALSA-2023:7836

Summary: Moderate: avahi security update

Details: Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print with, and find shared files on other computers. Security Fix(es): * avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket (CVE-2021-3468) * avahi: Reachable assertion in avahi_dns_packet_append_record (CVE-2023-38469) * avahi: Reachable assertion in avahi_escape_label (CVE-2023-38470) * avahi: Reachable assertion in dbus_set_host_name (CVE-2023-38471) * avahi: Reachable assertion in avahi_rdata_parse (CVE-2023-38472) * avahi: Reachable assertion in avahi_alternative_host_name (CVE-2023-38473) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References: https://access.redhat.com/errata/RHSA-2023:7836, https://access.redhat.com/security/cve/CVE-2021-3468, https://access.redhat.com/security/cve/CVE-2023-38469, https://access.redhat.com/security/cve/CVE-2023-38470, https://access.redhat.com/security/cve/CVE-2023-38471, https://access.redhat.com/security/cve/CVE-2023-38472, https://access.redhat.com/security/cve/CVE-2023-38473, https://bugzilla.redhat.com/1939614, https://bugzilla.redhat.com/2191687, https://bugzilla.redhat.com/2191690, https://bugzilla.redhat.com/2191691, https://bugzilla.redhat.com/2191692, https://bugzilla.redhat.com/2191694, https://errata.almalinux.org/8/ALSA-2023-7836.html