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centosCentOS ProjectCESA-2020:1176
HistoryApr 08, 2020 - 5:44 p.m.

avahi security update

2020-04-0817:44:20
CentOS Project
lists.centos.org
116

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.062

Percentile

93.7%

CentOS Errata and Security Advisory CESA-2020:1176

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: Multicast DNS responds to unicast queries outside of local network (CVE-2017-6519)

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 Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-cr-announce/2020-April/032481.html

Affected packages:
avahi
avahi-autoipd
avahi-compat-howl
avahi-compat-howl-devel
avahi-compat-libdns_sd
avahi-compat-libdns_sd-devel
avahi-devel
avahi-dnsconfd
avahi-glib
avahi-glib-devel
avahi-gobject
avahi-gobject-devel
avahi-libs
avahi-qt3
avahi-qt3-devel
avahi-qt4
avahi-qt4-devel
avahi-tools
avahi-ui
avahi-ui-devel
avahi-ui-gtk3
avahi-ui-tools

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:1176

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

0.062

Percentile

93.7%