Security Bulletin
Summary
HAProxy is vulnerable to a denial of service that is impacting Watson Knowledge Catalog for IBM Cloud Pak for Data. This vulnerability has been addressed.
Vulnerability Details
CVEID: CVE-2022-0711
DESCRIPTION: HAProxy is vulnerable to a denial of service, caused by a flaw when processing HTTP responses containing the "Set-Cookie2" header. By sending specially-crafted HTTP response packets, a remote attacker could exploit this vulnerability to cause an infinite loop, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/221052 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) |
| IBM Watson Knowledge Catalog on-prem | 3.5 |
| IBM Watson Knowledge Catalog on-prem | 4.0 |
Remediation/Fixes
Install IBM Cloud Pak for Data 4.0 refresh 7 or higher: https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=overview-whats-new#whats-new__refresh-7
Install IBM Cloud Pak for Data 3.5 refresh 13 or higher: https://www.ibm.com/docs/en/cloud-paks/cp-data/3.5.0?topic=overview-whats-new#whats-new__refresh-13
Workarounds and Mitigations
None. HAProxy must be upgraded.
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References
Change History
09 Jun 2022: 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:
09 June 2022
UID
ibm16594077