Security Bulletin: Multiple security vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM Rational ClearCase (CVE-2020-4949, CVE-2021-20353, CVE-2021-20354)

Summary

IBM WebSphere Application Server (WAS) is shipped as a component of IBM Rational ClearCase. Information about security vulnerabilities affecting WAS have been published in security bulletins.

Vulnerability Details

Refer to the security bulletin(s) listed in the Remediation/Fixes section

Affected Products and Versions

Remediation/Fixes

Refer to the following security bulletin(s) for vulnerability details and information about fixes addressed by IBM WebSphere Application Server (WAS) which is shipped with IBM Rational ClearCase.

Security Bulletin: WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection Vulnerability (CVE-2020-4949)

Security Bulletin: WebSphere Application Server is vulnerable to an XML External Entity (XXE) Injection vulnerability (CVE-2021-20353)

Security Bulletin: WebSphere Application Server is vulnerable to a directory traversal vulnerability (CVE-2021-20354)

ClearCase Versions

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Applying the fix

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8.0.0.x, 8.0.1.x, 9.0.0.x, 9.0.1.x, 9.0.2.x, 9.1.x|

1. Determine the WAS version used by your CCRC WAN server. Navigate to the CCRC profile directory (either the profile you specified when installing ClearCase, or <ccase-home>/common/ccrcprofile), then execute the script: bin/versionInfo.sh (UNIX) or bin\versionInfo.bat (Windows). The output includes a section “IBM WebSphere Application Server”. Make note of the version listed in this section. Check your installed version of IBM WebSphere Application Server against this bulletin’s list of vulnerable versions.
2. Identify the latest available fixes (per the bulletin(s) listed above) for the version of WAS used for CCRC WAN server.
3. Apply the appropriate WebSphere Application Server fix directly to your CCRC WAN server host. No ClearCase-specific steps are necessary.

For 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None