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openSUSE Leap 15.3: openSUSE-SU-2021:4112-1 Critical log4j RCE Issue

opensuse
Calendar Grey December 17, 2021
Dist Opensuse Esm H88
A critical patch resolves a significant vulnerability in log4j12 for openSUSE; comprehensive update guidelines provided within.
An update that fixes one vulnerability is now available

Description

This update for log4j12 fixes the following issues:

- CVE-2021-4104: Disable the JMSAppender class from log4j to protect

against the log4jshell vulnerability. [bsc#1193662]

Topics%20covered

Topics Covered

security advisory security update remote code execution important openSUSE log4j

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-15.3-2021-4112=1

Package List

- openSUSE Leap 15.3 (noarch):

log4j12-1.2.17-4.3.1

log4j12-javadoc-1.2.17-4.3.1

log4j12-manual-1.2.17-4.3.1

References

https://www.suse.com/security/cve/CVE-2021-4104.html

https://bugzilla.suse.com/1193662

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:4112-1
Rating: important
Affected Products: openSUSE Leap 15.3 .

Topics%20covered

Topics Covered

security advisory security update remote code execution important openSUSE log4j

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