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SUSE: 2021:1440-1 Important Remote Heap Corruption in ldb and Samba

suse
Calendar Grey April 29, 2021
Scroller Suse
SUSE Vulnerability Patch: Addresses various bugs in ldb and samba featuring critical security enhancements and setup guidelines.
An update that solves three vulnerabilities and has two fixes is now available

Summary

This update for ldb, samba fixes the following issues: - ldb was updated to 2.2.1 - CVE-2021-20277: Fixed an out of bounds read in ldb_handler_fold (bsc#1183574). - CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677). - CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs (bsc#1183572). - samba was updated to 4.13.6 - CVE-2021-20277: Fixed an out of bounds read in ldb_handler_fold (bsc#1183574). - CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677). - CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs (bsc#1183572). - Spec file fixes around systemd and requires; (bsc#1182830); Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods

Topics%20covered

Topics Covered

security advisory software update samba important installation instructions ldb remote heap corruption

References

#1182830 #1183572 #1183574 #1184677 #14571

Cross- CVE-2020-27840 CVE-2021-20254 CVE-2021-20277

CVSS scores:

CVE-2020-27840 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2021-20254 (SUSE): 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

CVE-2021-20277 (SUSE): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Affected Products:

SUSE Enterprise Storage 7

https://www.suse.com/security/cve/CVE-2020-27840.html

https://www.suse.com/security/cve/CVE-2021-20254.html

https://www.suse.com/security/cve/CVE-2021-20277.html

https://bugzilla.suse.com/1182830

https://bugzilla.suse.com/1183572

https://bugzilla.suse.com/1183574

https://bugzilla.suse.com/1184677

https://bugzilla.suse.com/14571

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1440-1
Rating: important

Topics%20covered

Topics Covered

security advisory software update samba important installation instructions ldb remote heap corruption

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