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AUSCERT External Security Bulletin Redistribution
ESB-2021.1373
Security Bulletin: Vulnerability in Dojo affects WebSphere
Application Server (CVE-2020-5258)
22 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
IBM i
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Overwrite Arbitrary Files -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-5258
Reference: ASB-2020.0132
ESB-2021.1321
Original Bulletin:
https://www.ibm.com/support/pages/node/6443101
- --------------------------BEGIN INCLUDED TEXT--------------------
Vulnerability in Dojo affects WebSphere Application Server (CVE-2020-5258)
Document Information
Document number : 6443101
Modified date : 21 April 2021
Product : WebSphere Application Server
Software version : 7.0, 8.0, 8.5, 9.0
Operating system(s): AIX
HP-UX
IBM i
Linux
Solaris
Windows
z/OS
Edition : Advanced,Base,Developer,Enterprise,Express,Network Deployment,Single Server
Summary
There is a vulnerability in the Dojo library used by WebSphere Application
Server. This has been addressed.
Vulnerability Details
CVEID: CVE-2020-5258
DESCRIPTION: Dojo dojo could allow a remote attacker to inject arbitrary code
on the system, caused by a prototype pollution flaw. By injecting other values,
an attacker could exploit this vulnerability to overwrite, or pollute, a
JavaScript application object prototype of the base object.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
177751 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Affected Products and Versions
+------------------------------------+-------------------+
|Affected Product(s) |Version(s) |
+------------------------------------+-------------------+
|WebSphere Application Server |9.0 |
+------------------------------------+-------------------+
|WebSphere Application Server |8.5 |
+------------------------------------+-------------------+
|WebSphere Application Server |8.0 |
+------------------------------------+-------------------+
|WebSphere Application Server |7.0 |
+------------------------------------+-------------------+
|WebSphere Application Server Liberty|17.0.0.3 - 21.0.0.3|
+------------------------------------+-------------------+
Remediation/Fixes
The recommended solution is to apply the interim fix or Fix Pack containing
APAR PH34122 for each named product as soon as practical.
For WebSphere Application Server Liberty 17.0.0.3 - 21.0.0.3 using the
adminCenter-1.0 feature:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH34122
- --OR--
. Apply Liberty Fix Pack 21.0.0.4 or later (targeted availability 2Q2021).
For WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:
For V9.0.0.0 through 9.0.5.7:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH34122
- --OR--
. Apply Fix Pack 9.0.5.8 or later (targeted availability 2Q2021).
For V8.5.0.0 through 8.5.5.19:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PH34122
- --OR--
. Apply Fix Pack 8.5.5.20 or later (targeted availability 3Q2021).
For V8.0.0.0 through 8.0.0.15:
. Upgrade to 8.0.0.15 and then apply Interim Fix PH34122
For V7.0.0.0 through 7.0.0.45:
. Upgrade to 7.0.0.45 and then apply Interim Fix PH34122
Additional interim fixes may be available and linked off the interim fix
download page.
WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Complete CVSS v3 Guide
On-line Calculator v3
Off
Acknowledgement
Change History
13 Apr 2021: Initial Publication
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