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AUSCERT Security Bulletin
ASB-2022.0093
Oracle Database Server Critical Patch Update
20 April 2022
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AusCERT Security Bulletin Summary
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Product: Oracle Application Express
Oracle Database Server
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2022-21498 CVE-2022-21411 CVE-2022-21410
CVE-2021-41165 CVE-2021-22569
Comment: CVSS (Max): 7.2 CVE-2022-21410 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
OVERVIEW
Multiple vulnerabilities have been identified in :
o Oracle Application Express, versions prior to 22.1
o Oracle Database Server, versions 12.1.0.2, 19c, 21c
[1]
IMPACT
The vendor has provided the following information regarding the
vulnerabilities:
"This Critical Patch Update contains 5 new security patches plus
additional third party patches noted below for Oracle Database
Products. None of these vulnerabilities may be remotely exploitable
without authentication, i.e., none may be exploited over a network
without requiring user credentials. None of these patches are
applicable to client-only installations, i.e., installations that do
not have the Oracle Database Server installed." [1]
CVE-2022-21410
7.2 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The supported version that is affected is 19c. Easily exploitable
vulnerability allows high privileged attacker having Create Any
Procedure privilege with network access via Oracle Net to compromise
the affected system. Successful attacks of this vulnerability can
result in takeover of the affected system.
Affects:
o Oracle Database - Enterprise Edition Sharding 19c
CVE-2022-21498
6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Supported versions that are affected are 12.1.0.2, 19c and 21c.
Easily exploitable vulnerability allows low privileged attacker
having Create Procedure privilege with network access via multiple
protocols to compromise the affected system. Successful attacks of
this vulnerability can result in unauthorized creation, deletion or
modification access to critical data or all the affected system's
accessible data.
Affects:
o Java VM 12.1.0.2, 19c, 21c
CVE-2021-41165
5.4 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The supported version that is affected is Prior to 22.1. Easily
exploitable vulnerability allows low privileged attacker having Valid
User Account privilege with network access via HTTP to compromise the
affected system. Successful attacks require human interaction from a
person other than the attacker and while the vulnerability is in the
affected system, attacks may significantly impact additional products
(scope change). Successful attacks of this vulnerability can result
in unauthorized update, insert or delete access to some of the
affected system's accessible data as well as unauthorized read access
to a subset of the affected system's accessible data.
Affects:
o Oracle Application Express (CKEditor) Prior to 22.1
CVE-2022-21411
5.4 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Supported versions that are affected are 12.1.0.2, 19c and 21c.
Easily exploitable vulnerability allows low privileged attacker
having Create Session privilege with network access via Oracle Net to
compromise the affected system. Successful attacks of this
vulnerability can result in unauthorized update, insert or delete
access to some of the affected system's accessible data as well as
unauthorized read access to a subset of the affected system's
accessible data.
Affects:
o RDBMS Gateway / Generic ODBC Connectivity 12.1.0.2, 19c, 21c
CVE-2021-22569
2.8 AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Supported versions that are affected are 19c and 21c. Easily
exploitable vulnerability allows low privileged attacker having Local
Logon privilege with logon to the infrastructure where the affected
system executes to compromise the affected system. Successful attacks
require human interaction from a person other than the attacker.
Successful attacks of this vulnerability can result in unauthorized
ability to cause a partial denial of service (partial DOS) of the
affected system.
Affects:
o Oracle Spatial and Graph MapViewer (protobuf-java) 19c, 21c
MITIGATION
Oracle states:
"Due to the threat posed by a successful attack, Oracle strongly
recommends that customers apply CPU fixes as soon as possible. Until
you apply the CPU fixes, it may be possible to reduce the risk of
successful attack by blocking network protocols required by an
attack. For attacks that require certain privileges or access to
certain packages, removing the privileges or the ability to access
the packages from users that do not need the privileges may help
reduce the risk of successful attack. Both approaches may break
application functionality, so Oracle strongly recommends that
customers test changes on non-production systems. Neither approach
should be considered a long-term solution as neither corrects the
underlying problem." [1]
REFERENCES
[1] Oracle Critical Patch Update Advisory - April 2022
https://www.oracle.com/security-alerts/cpuapr2022.html
[2] Text Form of Oracle Critical Patch Update - April 2022 Risk
Matrices
https://www.oracle.com/security-alerts/cpuapr2022verbose.html
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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