There is a potential code execution vulnerability in OpenID connect in WebSphere Application Server Liberty.
CVEID: CVE-2018-1851 DESCRIPTION: IBM WebSphere Application Server OpenID Connect could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization. By sending a specially-crafted request to the RP service, an attacker could exploit this vulnerability to execute arbitrary code.
CVSS Base Score: 7.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/150999> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
This vulnerability affects the following versions and releases of IBM WebSphere Application Server:
To patch an existing service instance, refer to the IBM WebSphere Application Server bulletins listed below:
Please see Updating your environment for information on applying service.
None.
Monitor the security notifications on the IBM Cloud Status page to be advised of future security bulletins.
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28 November 2018: original document published
*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.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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