Security Bulletin
Summary
IBM WebSphere Cast Iron Solution & App Connect Professional has addressed the following vulnerabilities reported in Apache Tomcat.
Vulnerability Details
CVEID: CVE-2020-13935
DESCRIPTION: Apache Tomcat is vulnerable to a denial of service, caused by improper validation of the payload length in a WebSocket frame. By sending multiple requests with invalid payload lengths, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185227 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
WebSphere Cast Iron v 7.5.0.0, 7.5.0.1, 7.5.1.0
WebSphere Cast Iron v 7.0.0.0, 7.0.0.1, 7.0.0.2
App Connect Professional v 7.5.2.0
App Connect Professional v 7.5.3.0
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
| IBM WebSphere Cast Iron | 7.0.0.0 7.0.0.1 7.0.0.2 | LI81678 | 7002 Fixcentral Link |
| IBM WebSphere Cast Iron | 7.5.0.0 7.5.0.1 7.5.1.0 | LI81678 | 7510 fixcentral Link |
| App Connect Professional | 7.5.2.0 | LI81678 | 7520 Fixcentral link |
| App Connect Professional | 7.5.3.0 | LI81678 | 7530 Fixcentral link |
Workarounds and Mitigations
None
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References
Change History
22 Oct 2020: 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:
27 October 2020
UID
ibm16355985