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SUSE: 2022:4240-1 Important: Sudo Buffer Over-Read Security Fix

suse
Calendar Grey November 28, 2022
Dist Suse Esm H88
Vital enhancement for SUSE platforms addresses sudo vulnerabilities and incorporates significant improvements on permission management.
An update that solves one vulnerability and has two fixes is now available

Summary

This update for sudo fixes the following issues: Security fixes: - CVE-2022-43995: Fixed a potential heap-based buffer over-read when entering a password of seven characters or fewer and using the crypt() password backend (bsc#1204986). Other: - Make sure SIGCHLD is not ignored when sudo is executed; fixes race condition (bsc#1203201). - Change sudo-ldap schema from ASCII to UTF8 (bsc#1197998). 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: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-4240=1 - SUSE OpenStack Cloud 9: zypper in -t patch SUSE-OpenStack-Cloud-9-2022-4240=1

Topics%20covered

Topics Covered

security advisory software update access control important sudo SUSE buffer over-read

References

#1197998 #1203201 #1204986

Cross- CVE-2022-43995

CVSS scores:

CVE-2022-43995 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVE-2022-43995 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Products:

SUSE Linux Enterprise Server 12-SP3-BCL

SUSE Linux Enterprise Server 12-SP4-LTSS

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE OpenStack Cloud 9

SUSE OpenStack Cloud Crowbar 9

https://www.suse.com/security/cve/CVE-2022-43995.html

https://bugzilla.suse.com/1197998

https://bugzilla.suse.com/1203201

https://bugzilla.suse.com/1204986

Severity
important
Lowest
Low
Medium
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Announcement ID: SUSE-SU-2022:4240-1
Rating: important

Topics%20covered

Topics Covered

security advisory software update access control important sudo SUSE buffer over-read

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