A dhcp security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:1841-1: important: Security update for dhcp

openSUSE Security Update: Security update for dhcp
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Announcement ID: openSUSE-SU-2021:1841-1
Rating: important
References: #1186382
Cross-References: CVE-2021-25217
CVSS scores:
CVE-2021-25217 (SUSE): 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected Products:
openSUSE Leap 15.3
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An update that fixes one vulnerability is now available.

Description:

This update for dhcp fixes the following issues:

- CVE-2021-25217: A buffer overrun in lease file parsing code can be used
to exploit a common vulnerability shared by dhcpd and dhclient
(bsc#1186382)

Patch Instructions:

To install this openSUSE Security 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 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-1841=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

dhcp-4.3.6.P1-6.11.1
dhcp-client-4.3.6.P1-6.11.1
dhcp-client-debuginfo-4.3.6.P1-6.11.1
dhcp-debuginfo-4.3.6.P1-6.11.1
dhcp-debugsource-4.3.6.P1-6.11.1
dhcp-devel-4.3.6.P1-6.11.1
dhcp-doc-4.3.6.P1-6.11.1
dhcp-relay-4.3.6.P1-6.11.1
dhcp-relay-debuginfo-4.3.6.P1-6.11.1
dhcp-server-4.3.6.P1-6.11.1
dhcp-server-debuginfo-4.3.6.P1-6.11.1

References:

  https://www.suse.com/security/cve/CVE-2021-25217.html
  https://bugzilla.suse.com/1186382