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almalinuxAlmaLinuxALSA-2024:2433
HistoryApr 30, 2024 - 12:00 a.m.

Moderate: avahi security update

2024-04-3000:00:00
errata.almalinux.org
7
avahi
security
update
assertion
dns
multicast
cvss
almalinux

6.2 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.2%

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: 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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

6.2 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.2%