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SUSE 12-SP5: 2021:0457-1 Critical: Sudo Security Update Addressed

suse
Calendar Grey January 26, 2021
Dist Suse Esm H88
SUSE released a significant security patch for sudo that tackles serious vulnerabilities permitting privilege escalation and additional risks.
An update that solves three vulnerabilities and has one errata is now available

Summary

This update for sudo fixes the following issues: - A Heap-based buffer overflow in sudo could be exploited to allow a user to gain root privileges [bsc#1181090,CVE-2021-3156] - It was possible for a user to test for the existence of a directory due to a Race Condition in `sudoedit` [bsc#1180684,CVE-2021-23239] - A Possible Symlink Attack vector existed in `sudoedit` if SELinux was running in permissive mode [bsc#1180685, CVE-2021-23240] - It was possible for a User to enable Debug Settings not Intended for them [bsc#1180687] Patch Instructions: To install this SUSE 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: - SUSE OpenStack Cloud Crowbar 9:

Topics%20covered

Topics Covered

security advisory security update buffer overflow privilege escalation important sudo SUSE Linux Enterprise

References

#1180684 #1180685 #1180687 #1181090

Cross- CVE-2021-23239 CVE-2021-23240 CVE-2021-3156

Affected Products:

SUSE OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud Crowbar 8

SUSE OpenStack Cloud 9

SUSE OpenStack Cloud 8

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP4-LTSS

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Server 12-SP3-BCL

SUSE Enterprise Storage 5

HPE Helion Openstack 8

https://www.suse.com/security/cve/CVE-2021-23239.html

https://www.suse.com/security/cve/CVE-2021-23240.html

https://www.suse.com/security/cve/CVE-2021-3156.html

https://bugzilla.suse.com/1180684

https://bugzilla.suse.com/1180685

https://bugzilla.suse.com/1180687

https://b...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0226-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update buffer overflow privilege escalation important sudo SUSE Linux Enterprise

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