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AUSCERT External Security Bulletin Redistribution
ESB-2021.0500
Security Bulletin: A security vulnerability has been identified in IBM
WebSphere Application Server (CVE-2021-20353)
11 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: Windows
Linux variants
AIX
Solaris
HP-UX
IBM i
z/OS
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20353
Original Bulletin:
https://www.ibm.com/support/pages/node/6413709
https://www.ibm.com/support/pages/node/6414373
Comment: This bulletin contains two (2) IBM security advisories.
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Security Bulletin: WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability (CVE-2021-20353)
Security Bulletin
Summary
WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability. This has been addressed.
Vulnerability Details
CVEID: CVE-2021-20353
DESCRIPTION: IBM WebSphere Application Server is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
CVSS Base score: 8.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/194882 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L)
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
Remediation/Fixes
For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:
For V9.0.0.0 through 9.0.5.6:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH33228
- --OR--
· Apply Fix Pack 9.0.5.7 or later (targeted availability 1Q2021).
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 PH33228
- --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 PH33228
For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH33228
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
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Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server shipped with IBM Case Manager (CVE-2021-20353)
Security Bulletin
Summary
IBM WebSphere Application Server is shipped as a component of IBM Case Manager. Information about a security vulnerability affecting IBM WebSphere Application Server has been published in a security bulletin.
Vulnerability Details
Refer to the security bulletin(s) listed in the Remediation/Fixes section
Affected Products and Versions
Affected Product(s) Version(s)
IBM Case Manager 5.3CD
IBM Case Manager 5.2.1
IBM Case Manager 5.2.0
IBM Case Manager 5.1.1
Remediation/Fixes
Please consult the security bulletin Security Bulletin: WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability (CVE-2021-20353) for vulnerability details and information about fixes.
Workarounds and Mitigations
None
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