Security Bulletin
Summary
There is a potential privilege escalation vulnerability in traditional WebSphere Application Server when using the OpenID Connect (OIDC) Trust Association Interceptor (TAI). This does not affect WebSphere Application Server Liberty. There is a potential for weaker than expected security with the Administrative Console in WebSphere Application Server. There is a potential cross-site request forgery in WebSphere Application Server OAuth service provider.
Vulnerability Details
CVEID: CVE-2017-1151
DESCRIPTION: IBM WebSphere Application Server configured with OpenID Connect (OIDC) Trust Association Interceptor (TAI) could allow a user to gain elevated privileges on the system.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/122292 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2017-1137
DESCRIPTION: IBM WebSphere Application Server could provide weaker than expected security. A remote attacker could exploit this weakness to obtain sensitive information and gain unauthorized access to the admin console.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121549 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2017-1194
DESCRIPTION: IBM WebSphere Application Server is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/123669 for the current score
CVSS Environmental Score*: Undefined
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
IBM WebSphere Application Server Version 8.5.5 is affected by vulnerabilities listed.
IBM WebSphere Application Server Version 9 is only affected by CVE-2017-1151 and CVE-2017-1194.
IBM WebSphere Application Server Liberty is only affected by CVE-2017-1194.
Remediation/Fixes
To patch an existing service instance requires two steps:
1. To update WebSphere Application Server refer to the IBM WebSphere Application Server bulletins listed below:
Security Bulletin: Privilege Escalation Vulnerability in WebSphere Application Server (CVE-2017-1151)
Security Bulletin: Potential security vulnerability in WebSphere Application Server Administrative Console (CVE-2017-1137)
Security Bulletin: Cross-site request forgery in WebSphere Application Server (CVE-2017-1194)
2. To apply the RHEL OS updates, run yum update.
Alternatively, delete the vulnerable service instance and create a new instance.
Get Notified about Future Security Bulletins
References
Change History
31 May 2017: 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.
Disclaimer
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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Document Information
Modified date:
15 June 2018
UID
swg22004264