Security Bulletin
Summary
WebSphere Application Server is vulnerable to a Denial of Service. This has been addressed.
Vulnerability Details
DESCRIPTION: IBM WebSphere Application Server 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 CPU resources.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211405 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)
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 9.0.5.10:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH41676
--OR--
· Apply Fix Pack 9.0.5.11 or later (targeted availability 1Q2022).
For V8.5.0.0 through 8.5.5.20:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH41676
--OR--
· Apply Fix Pack 8.5.5.21 or later (targeted availability 1Q2022).
For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH41676
For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH41676
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
Get Notified about Future Security Bulletins
References
Acknowledgement
The vulnerability was reported to IBM by r00t4dm at Cloud-Penetrating Arrow Lab of Meituan Corp Information Security Department
Change History
08 Dec 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
08 December 2021
UID
ibm16524674