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Security Bulletin: Information disclosure in WebSphere Application Server (CVE-2020-4329)

Description

## Summary Information disclosure in WebSphere Application Server. This has been addressed. ## Vulnerability Details ** CVEID: **[CVE-2020-4329](<https://vulners.com/cve/CVE-2020-4329>) ** DESCRIPTION: **IBM WebSphere Application Server could allow a remote, authenticated attacker to obtain sensitive information, caused by improper parameter checking. This could be exploited to conduct spoofing attacks. CVSS Base score: 4.3 CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/177841](<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) ## Affected Products and Versions Affected Product(s)| Version(s) ---|--- WebSphere Application Server Liberty| 17.0.0.3 - 20.0.0.4 WebSphere Application Server| 9.0 WebSphere Application Server| 7.0 WebSphere Application Server| 8.0 WebSphere Application Server| 8.5 ## Remediation/Fixes The recommended solution is to apply the interim fix, Fix Pack or PTF containing the APAR for each named product as soon as practical. **For WebSphere Application Server Liberty:** · Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix [PH20847](<https://www.ibm.com/support/pages/node/6198862> "Fix PH20847" ) \--OR-- · Apply Fix Pack 20.0.0.5 or later (targeted availability 2Q2020). **For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:** **For V9.0.0.0 through 9.0.5.3:** · Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix [PH20847](<https://www.ibm.com/support/pages/node/6198862> "PH20847" ). \--OR-- · Apply Fix Pack 9.0.5.4 or later (targeted availability 2Q2020). **For V8.5.0.0 through 8.5.5.17:** · Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix [PH20847](<https://www.ibm.com/support/pages/node/6198862> "PH20847" ). \--OR-- · Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020). **For V8.0.0.0 through 8.0.0.15:** · Upgrade to 8.0.0.15 and then apply Interim Fix [PH20847](<https://www.ibm.com/support/pages/node/6198862> "PH20847" ). **For V7.0.0.0 through 7.0.0.45:** · Upgrade to 7.0.0.45 and then apply Interim Fix [PH20847](<https://www.ibm.com/support/pages/node/6198862> "PH20847" ). 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 ##


Affected Software


CPE Name Name Version
websphere application server 7.0
websphere application server 8.0
websphere application server 8.5
websphere application server 9.0
websphere application server any

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