Security Bulletin
Summary
There are multiple vulnerabilities in the swagger-ui library used by IBM WebSphere Application Server Liberty with mpOpenAPI-1.0, mpOpenAPI-1.1, mpOpenAPI-2.0, mpOpenAPI-3.0, openapi-3.0 or the openapi-3.1 feature enabled. These vulnerabilities could allow spoofing attacks or clickjacking vulnerabilities. This has been addressed.
Vulnerability Details
DESCRIPTION: swagger-ui could allow a remote attacker to conduct spoofing attacks. By persuading a victim to open a specially-crafted URL, an attacker could exploit this vulnerability to display remote OpenAPI definitions.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217346 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
CVEID: CVE-2021-46708
DESCRIPTION: npm swagger-ui-dist could allow a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this vulnerability to hijack the victim's click actions and possibly launch further attacks against the victim.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217359 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM WebSphere Application Server Liberty | 21.0.0.12 - 22.0.0.1 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the APAR PH44762. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature.
For IBM WebSphere Application Server Liberty 21.0.0.12 - 22.0.0.1 using the mpOpenAPI-1.0, mpOpenAPI-1.1, mpOpenAPI-2.0, mpOpenAPI-3.0, openapi-3.0, or openapi-3.1 feature(s):
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH44762
--OR--
· Apply Liberty Fix Pack 22.0.0.2 or later
Additional interim fixes may be available and linked off the interim fix download page.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature.
Change History
05 Apr 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:
05 April 2022
UID
ibm16569505