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AUSCERT External Security Bulletin Redistribution
ESB-2020.2622
Security Bulletin: Multiple vulnerabilities in IBM WebSphere Application
Server for IBM Cloud Private VM Quickstarter
31 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Modify Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-4329 CVE-2020-2830 CVE-2020-2805
CVE-2020-2803 CVE-2020-2800 CVE-2020-2781
CVE-2020-2757 CVE-2020-2756 CVE-2020-2755
CVE-2020-2754 CVE-2020-2654 CVE-2019-4720
CVE-2019-2949
Reference: ASB-2020.0076
ASB-2020.0028
ESB-2020.2300
ESB-2020.2113
Original Bulletin:
https://www.ibm.com/support/pages/node/6254704
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Multiple vulnerabilities in IBM WebSphere Application Server for IBM Cloud
Private VM Quickstarter
Document Information
More support for: WebSphere Application Server in IBM Cloud
Software version: Version Independent
Operating system(s): Linux
Document number: 6254704
Modified date: 30 July 2020
Security Bulletin
Summary
There are multiple vulnerabiltities in WebSphere Application Server Liberty
that is shipped with IBM WebSphere Application for IBM Cloud Private VM
Quickstarter. Information disclosure in WebSphere Application Server. There is
a denial of service vulnerablility in WebSphere Application Server.
CVE-2020-2654 was disclosed as part of the Oracle January 2020 Critical Patch
Update. CVE-2019-2949 may affect IBM SDK, Java Technology Edition. Multiple
Vulnerabilities in IBM Java SDK affect WebSphere Application Server April 2020
CPU.
Vulnerability Details
CVEID: CVE-2019-2949
DESCRIPTION: An unspecified vulnerability in Java SE related to the Kerberos
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a high confidentiality impact using unknown attack
vectors.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
169254 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
CVEID: CVE-2020-4329
DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty
17.0.0.3 through 20.0.0.4 could allow a remote, authenticated attacker to
obtain sensitive information, caused by improper parameter checking. This could
be exploited to conduct spoofing attacks. IBM X-Force ID: 177841.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
177841 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
CVEID: CVE-2019-4720
DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is
vulnerable to a denial of service, caused by sending a specially-crafted
request. A remote attacker could exploit this vulnerability to cause the server
to consume all available memory. IBM X-Force ID: 172125.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
172125 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2020-2805
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Libraries component could allow an unauthenticated attacker to take control of
the system.
CVSS Base score: 8.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179703 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVEID: CVE-2020-2803
DESCRIPTION: An unspecified vulnerability in multiple Oracle products could
allow an unauthenticated attacker to take control of the system.
CVSS Base score: 8.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179701 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVEID: CVE-2020-2830
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Concurrency 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179728 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-2781
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
JSSE 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179681 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2020-2800
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Lightweight HTTP Server component could allow an unauthenticated attacker to
cause low confidentiality impact, low integrity impact, and no availability
impact.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
179698 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
CVEID: CVE-2020-2757
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
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/
179657 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-2020-2756
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
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/
179656 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-2020-2755
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Scripting 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/
179655 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-2020-2754
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Scripting 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/
179654 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-2020-2654
DESCRIPTION: An unspecified vulnerability in Java SE related to the Java SE
Libraries 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/
174601 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
These vulnerabilities affect the following versions and releases of IBM
WebSphere Application Server for IBM Cloud Private VM Quickstarter
o 3.0
o 3.1
Remediation/Fixes
For details on the vulnerabilities refer to the security bulletins listed
below:
o WebSphere Application Server is vulnerable to a denial of service
(CVE-2019-4720)
o Information disclosure in WebSphere Application Server (CVE-2020-4329)
o CVE-2020-2654 may affect IBM SDK, Java Technology Edition
o CVE-2019-2949 may affect IBM SDK, Java Technology Edition
o Multiple Vulnerabilities in IBM Java SDK affect WebSphere Application
Server April 2020 CPU plus deferred CVE-2019-2949 and CVE-2020-2654
To obtain these changes for your installation, upgrade IBM WebSphere
Application Server for IBM Cloud Private VM Quickstarter to version 3.1.1 or
higher. The service procedure can be found here:
o Upgrading your installation
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
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