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AUSCERT Security Bulletin
ASB-2021.0087
Oracle Financial Services Products Critical Patch Update
21 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Oracle Banking Platform
Analytical Applications Infrastructure
Oracle FLEXCUBE Direct Banking
Oracle FLEXCUBE Private Banking
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-2141 CVE-2021-2140 CVE-2020-27193
CVE-2020-26217 CVE-2020-25649 CVE-2020-11998
CVE-2020-9489 CVE-2020-5421 CVE-2020-5413
CVE-2020-5408 CVE-2019-17638 CVE-2019-17566
CVE-2019-10086 CVE-2019-3773
OVERVIEW
Multiple vulnerabilities have been identified in :
o Oracle Banking Platform, versions 2.4.0, 2.6.2, 2.7.0, 2.7.1,
2.8.0, 2.9.0, 2.10.0
o Oracle Financial Services Analytical Applications
Infrastructure, versions 8.0.6-8.1.0
o Oracle FLEXCUBE Direct Banking, versions 12.0.2, 12.0.3
o Oracle FLEXCUBE Private Banking, versions 12.0.0, 12.1.0
[1]
IMPACT
The vendor has provided the following information regarding the
vulnerabilities:
"This Critical Patch Update contains 15 new security patches for
Oracle Financial Services Applications. 10 of these vulnerabilities
may be remotely exploitable without authentication, i.e., may be
exploited over a network without requiring user credentials." [1]
CVE-2020-11998
9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle FLEXCUBE Private
Banking. Successful attacks of this vulnerability can result in
takeover of Oracle FLEXCUBE Private Banking.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2020-5413
9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle FLEXCUBE Private
Banking. Successful attacks of this vulnerability can result in
takeover of Oracle FLEXCUBE Private Banking.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2019-3773
9.8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle FLEXCUBE Private
Banking. Successful attacks of this vulnerability can result in
takeover of Oracle FLEXCUBE Private Banking.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2019-17638
9.4 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle FLEXCUBE Private
Banking. Successful attacks of this vulnerability can result in
unauthorized creation, deletion or modification access to critical
data or all Oracle FLEXCUBE Private Banking accessible data as well
as unauthorized access to critical data or complete access to all
Oracle FLEXCUBE Private Banking accessible data and unauthorized
ability to cause a partial denial of service (partial DOS) of Oracle
FLEXCUBE Private Banking.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2020-26217
8.8 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Supported versions that are affected are 2.4.0, 2.7.1 and 2.9.0.
Easily exploitable vulnerability allows low privileged attacker with
network access via HTTP to compromise Oracle Banking Platform.
Successful attacks of this vulnerability can result in takeover of
Oracle Banking Platform.
Affects:
o Oracle Banking Platform 2.4.0, 2.7.1, 2.9.0
CVE-2020-5421
8.8 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows low privileged attacker with network
access via HTTP to compromise Oracle FLEXCUBE Private Banking.
Successful attacks of this vulnerability can result in takeover of
Oracle FLEXCUBE Private Banking.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2020-25649
7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Supported versions that are affected are 2.6.2, 2.7.0, 2.7.1, 2.8.0,
2.9.0 and 2.10.0. Easily exploitable vulnerability allows
unauthenticated attacker with network access via HTTP to compromise
Oracle Banking Platform. Successful attacks of this vulnerability can
result in unauthorized creation, deletion or modification access to
critical data or all Oracle Banking Platform accessible data.
Affects:
o Oracle Banking Platform 2.6.2, 2.7.0, 2.7.1, 2.8.0, 2.9.0,
2.10.0
CVE-2019-17566
7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Supported versions that are affected are 8.0.6-8.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle Financial Services
Analytical Applications Infrastructure. Successful attacks of this
vulnerability can result in unauthorized creation, deletion or
modification access to critical data or all Oracle Financial Services
Analytical Applications Infrastructure accessible data.
Affects:
o Oracle Financial Services Analytical Applications
Infrastructure 8.0.6-8.1.0
CVE-2019-10086
7.3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Supported versions that are affected are 2.4.0, 2.7.1 and 2.9.0.
Easily exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle Banking Platform.
Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of Oracle Banking Platform
accessible data as well as unauthorized read access to a subset of
Oracle Banking Platform accessible data and unauthorized ability to
cause a partial denial of service (partial DOS) of Oracle Banking
Platform.
Affects:
o Oracle Banking Platform 2.4.0, 2.7.1, 2.9.0
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2020-5408
6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows low privileged attacker with network
access via HTTP to compromise Oracle FLEXCUBE Private Banking.
Successful attacks of this vulnerability can result in unauthorized
access to critical data or complete access to all Oracle FLEXCUBE
Private Banking accessible data.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2020-27193
6.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Supported versions that are affected are 2.4.0, 2.7.0, 2.7.1, 2.8.0
and 2.9.0. Easily exploitable vulnerability allows unauthenticated
attacker with network access via HTTP to compromise Oracle Banking
Platform. Successful attacks require human interaction from a person
other than the attacker and while the vulnerability is in Oracle
Banking Platform, attacks may significantly impact additional
products. Successful attacks of this vulnerability can result in
unauthorized update, insert or delete access to some of Oracle
Banking Platform accessible data as well as unauthorized read access
to a subset of Oracle Banking Platform accessible data.
Affects:
o Oracle Banking Platform 2.4.0, 2.7.0, 2.7.1, 2.8.0, 2.9.0
CVE-2021-2140
6.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Supported versions that are affected are 8.0.6-8.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with
network access via HTTP to compromise Oracle Financial Services
Analytical Applications Infrastructure. Successful attacks require
human interaction from a person other than the attacker and while the
vulnerability is in Oracle Financial Services Analytical Applications
Infrastructure, attacks may significantly impact additional products.
Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of Oracle Financial Services
Analytical Applications Infrastructure accessible data as well as
unauthorized read access to a subset of Oracle Financial Services
Analytical Applications Infrastructure accessible data.
Affects:
o Oracle Financial Services Analytical Applications
Infrastructure 8.0.6-8.1.0
CVE-2020-9489
5.5 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Supported versions that are affected are 12.0.0 and 12.1.0. Easily
exploitable vulnerability allows unauthenticated attacker with logon
to the infrastructure where Oracle FLEXCUBE Private Banking executes
to compromise Oracle FLEXCUBE Private Banking. 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 hang or frequently repeatable crash (complete DOS)
of Oracle FLEXCUBE Private Banking.
Affects:
o Oracle FLEXCUBE Private Banking 12.0.0, 12.1.0
CVE-2021-2141
2.0 AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Supported versions that are affected are 12.0.2 and 12.0.3. Difficult
to exploit vulnerability allows high privileged attacker with network
access via Oracle Net to compromise Oracle FLEXCUBE Direct Banking.
Successful attacks require human interaction from a person other than
the attacker. Successful attacks of this vulnerability can result in
unauthorized update, insert or delete access to some of Oracle
FLEXCUBE Direct Banking accessible data.
Affects:
o Oracle FLEXCUBE Direct Banking 12.0.2, 12.0.3
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 2021
https://www.oracle.com/security-alerts/cpuapr2021.html
[2] Text Form of Oracle Critical Patch Update - April 2021 Risk
Matrices
https://www.oracle.com/security-alerts/cpuapr2021verbose.html
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takes no responsibility for consequences which may arise from following or
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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On call after hours for member emergencies only.
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