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openSUSE Leap 15.3: 2021:1841-1 Important DHCP Buffer Overflow

opensuse
Calendar Grey July 11, 2021
Dist Opensuse Esm H88
An essential update for Fedora concerning a significant OpenSSL flaw classified as critical. Apply using dnf or the graphical package manager.
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)

Topics%20covered

Topics Covered

security advisory security update buffer overflow patch important dhcp openSUSE

Patch

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:1841-1
Rating: important
Affected Products: openSUSE Leap 15.3 .

Topics%20covered

Topics Covered

security advisory security update buffer overflow patch important dhcp openSUSE

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