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openSUSE Leap 15.4: 2023:4910-1 Moderate: avahi Host Name Buffer Overflow

opensuse
Calendar Grey December 19, 2023
Dist Opensuse Esm H88
Essential security patch for avahi tackles several vulnerabilities with accessible assertions to improve overall system protection.
This update for avahi fixes the following issues: CVE-2023-38473: Fixed a reachable assertion when parsing a host name (bsc#1216419).

Description

This update for avahi fixes the following issues:

* CVE-2023-38473: Fixed a reachable assertion when parsing a host name

(bsc#1216419).

* CVE-2023-38470: Fixed that each label is at least one byte long

(bsc#1215947).

Topics%20covered

Topics Covered

security advisory buffer overflow moderate severity update process openSUSE avahi issue

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.4

zypper in -t patch openSUSE-SLE-15.4-2023-4910=1

* SUSE Manager Proxy 4.2

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-4910=1

* SUSE Manager Retail Branch Server 4.2

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-

Server-4.2-2023-4910=1

* SUSE Manager Server 4.2

zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-4910=1

* SUSE Linux Enterprise Micro 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-4910=1

* SUSE Linux Enterprise Micro for Rancher 5.2

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-4910=1

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* libavahi-ui0-0.7-150100.3.29.1

* libavahi-ui0-debuginfo-0.7-150100.3.29.1

* SUSE Manager Proxy 4.2 (x86_64)

* avahi-debuginfo-0.7-150100.3.29.1

* libavahi-client3-debuginfo-0.7-150100.3.29.1

* libavahi-common3-32bit-debuginfo-0.7-150100.3.29.1

* libavahi-core7-0.7-150100.3.29.1

* libavahi-ui-gtk3-0-debuginfo-0.7-150100.3.29.1

* avahi-compat-howl-devel-0.7-150100.3.29.1

* libavahi-glib1-debuginfo-0.7-150100.3.29.1

* libhowl0-debuginfo-0.7-150100.3.29.1

* libavahi-gobject0-debuginfo-0.7-150100.3.29.1

* libavahi-gobject0-0.7-150100.3.29.1

* libavahi-common3-0.7-150100.3.29.1

* libavahi-client3-0.7-150100.3.29.1

* typelib-1_0-Avahi-0_6-0.7-150100.3.29.1

* libavahi-ui-gtk3-0-0.7-150100.3.29.1

* avahi-debugsource-0.7-150100.3.29.1

* avahi-utils-debuginfo-0.7-150100.3.29.1

* avahi-glib2-debugsource-0.7-150100.3.29.1

* libavahi-ui0-0.7-150100.3.29.1

* avahi-compat-mDNSResponder-devel-0.7-150100.3.29.1

* libdns_sd-debuginfo-0.7-150100.3.29.1

*...

Read the Full Advisory

References

* bsc#1215947

* bsc#1216419

## References:

* https://www.suse.com/security/cve/CVE-2023-38470.html

* https://www.suse.com/security/cve/CVE-2023-38473.html

* https://bugzilla.suse.com/show_bug.cgi?id=1215947

* https://bugzilla.suse.com/show_bug.cgi?id=1216419

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4910-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory buffer overflow moderate severity update process openSUSE avahi issue

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