Security update for samba (important)

2021-09-2200:00:00

lists.opensuse.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

JSON

An update that solves three vulnerabilities and has two
fixes is now available.

Description:

This update for samba fixes the following issues:

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)
Fix dependency problem upgrading from libndr0 to libndr1 (bsc#1189875)
Fix dependency problem upgrading from libsmbldap0 to libsmbldap2
(bsc#1189875)

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-15.3-2021-3187=1

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