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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
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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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