Operating System:

[AIX]

Published:

16 March 2021

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.0914
  Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX
                               16 March 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Java SDK
Publisher:         IBM
Operating System:  AIX
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
                   Reduced Security                -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-27221 CVE-2020-14803 CVE-2020-14798
                   CVE-2020-14797 CVE-2020-14796 CVE-2020-14782
                   CVE-2020-14781 CVE-2020-14779 CVE-2020-2773

Reference:         ESB-2021.0773
                   ESB-2021.0757
                   ESB-2021.0562

Original Bulletin: 
   https://www.ibm.com/support/pages/node/6430227

- --------------------------BEGIN INCLUDED TEXT--------------------

Multiple vulnerabilities in IBM Java SDK affect AIX

Document Information

Document number    : 6430227
Modified date      : 15 March 2021
Product            : AIX
Software version   : 7.1,7.2
Operating system(s): AIX

Summary

There are multiple vulnerabilities in IBM SDK Java Technology Edition, Versions
7, 7.1, 8 used by AIX. AIX has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2020-14779
DESCRIPTION: An unspecified vulnerability in Java SE related to the
Serialization component could allow an unauthenticated attacker to cause a
denial of service resulting in a low availability impact using unknown attack
vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190097 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2020-14796
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a low confidentiality impact using unknown attack
vectors.
CVSS Base score: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190114 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID: CVE-2020-14797
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190115 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2020-14798
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base score: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190116 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N)

CVEID: CVE-2020-14782
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190100 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2020-2773
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Security component could allow an unauthenticated attacker to cause a denial of
service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179673 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2020-14803
DESCRIPTION: An unspecified vulnerability in Java SE could allow an
unauthenticated attacker to obtain sensitive information resulting in a low
confidentiality impact using unknown attack vectors.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190121 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2020-27221
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when
the virtual machine or JNI natives are converting from UTF-8 characters to
platform encoding. By sending an overly long string, a remote attacker could
overflow a buffer and execute arbitrary code on the system or cause the
application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
195353 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2020-14781
DESCRIPTION: An unspecified vulnerability in Java SE related to the JNDI
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a low confidentiality impact using unknown attack
vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
190099 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

+--------------------+----------+
|Affected Product(s) |Version(s)|
+--------------------+----------+
|AIX                 |7.1       |
+--------------------+----------+
|AIX                 |7.2       |
+--------------------+----------+

The following fileset levels (VRMF) are vulnerable, if the respective Java
version is installed:

For Java7: Less than 7.0.0.680
For Java7.1: Less than 7.1.0.480
For Java8: Less than 8.0.0.625

Note: To find out whether the affected Java filesets are installed on your
systems, refer to the lslpp command found in AIX user's guide.

Example: lslpp -L | grep -i java

Remediation/Fixes

Note: Recommended remediation is to always install the most recent Java package
available for the respective Java version.

IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 80 and
subsequent releases:
32-bit
64-bit

IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 4 Fix Pack 80 and
subsequent releases:
32-bit
64-bit

IBM SDK, Java Technology Edition, Version 8 Service Refresh 6 Fix Pack 25 and
subsequent releases:
32-bit
64-bit

Workarounds and Mitigations

None

Change History

15 Mar 2021: Initial Publication

Document Location

Worldwide

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