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AUSCERT External Security Bulletin Redistribution
ESB-2021.3127
Security Bulletin: Multiple vulnerabilities in IBM Java SDK affect AIX
16 September 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: PowerVM Virtual I/O Server
Publisher: IBM
Operating System: AIX
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Create Arbitrary Files -- Remote/Unauthenticated
Delete Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-2432 CVE-2021-2388 CVE-2021-2369
CVE-2021-2161
Reference: ESB-2021.2986
ESB-2021.2925
ESB-2021.2757
Original Bulletin:
https://www.ibm.com/support/pages/node/6489477
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Multiple vulnerabilities in IBM Java SDK affect AIX
Document Information
Document number : 6489477
Modified date : 15 September 2021
Product : PowerVM Virtual I/O Server
Software version : 3.1
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-2021-2161
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries
component could allow an unauthenticated attacker to cause no confidentiality
impact, high integrity impact, and no availability impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
200290 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)
CVEID: CVE-2021-2388
DESCRIPTION: An unspecified vulnerability in Java SE related to the VM
component could allow an unauthenticated attacker to take control of the
system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
205815 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVEID: CVE-2021-2369
DESCRIPTION: An unspecified vulnerability in Java SE related to the Library
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
205796 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
CVEID: CVE-2021-2432
DESCRIPTION: An unspecified vulnerability in Java SE related to the JNDI
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/
205856 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)
Affected Products and Versions
+--------------------+----------+
|Affected Product(s) |Version(s)|
+--------------------+----------+
|AIX |7.1 |
+--------------------+----------+
|AIX |7.2 |
+--------------------+----------+
|VIOS |3.1 |
+--------------------+----------+
The following fileset levels (VRMF) are vulnerable, if the respective Java
version is installed:
For Java7: Less than 7.0.0.690
For Java7.1: Less than 7.1.0.490
For Java8: Less than 8.0.0.635
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 90 and
subsequent releases:
32-bit
64-bit
IBM SDK, Java Technology Edition, Version 7R1 Service Refresh 4 Fix Pack 90 and
subsequent releases:
32-bit
64-bit
IBM SDK, Java Technology Edition, Version 8 Service Refresh 6 Fix Pack 35 and
subsequent releases:
32-bit
64-bit
Workarounds and Mitigations
None
AIX Security Bulletin (ASCII format)
Change History
14 Sep 2021: Initial Publication
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