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AUSCERT External Security Bulletin Redistribution
ESB-2019.1142
Potential Privilege Escalation Vulnerability in WebSphere Application
Server (CVE-2018-1901) affects IBM Security AppScan Enterprise
4 April 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: Windows
Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Increased Privileges -- Existing Account
Access Privileged Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-1901 CVE-2018-1851
Reference: ESB-2019.0727
ESB-2019.0660
ESB-2019.0547
ESB-2019.0372.2
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10879343
http://www.ibm.com/support/docview.wss?uid=ibm10878867
Comment: This bulletin contains two (2) advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
Potential Privilege Escalation Vulnerability in WebSphere Application Server
(CVE-2018-1901) affects IBM Security AppScan Enterprise
Product: IBM Security AppScan Enterprise
Software version: 9.0.3.12
Operating system(s): Windows
Reference #: 0879343
Security Bulletin
Summary
There is a timing window where there could be a privilege escalation
vulnerability in WebSphere Application Server used with IBM Security AppScan
Enterprise.
Vulnerability Details
CVEID: CVE-2018-1901
DESCRIPTION: IBM WebSphere Application Server could allow a remote attacker to
temporarily gain elevated privileges on the system, caused by incorrect cached
value being used.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152530 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
IBM Security AppScan Enterprise 9.0.3.0 - 9.0.3.11
Remediation/Fixes
+---------------+---------+---------------------------------------------------+
| |VRMF |Remediation/First Fix |
|Product | | |
+---------------+---------+---------------------------------------------------+
|IBM Security |9.0.3.0 -|Upgrade to version 9.0.3.12. For details refer the |
|AppScan |9.0.3.11 |link https://www.ibm.com/support/docview.wssuid= |
|Enterprise | |ibm10878228 |
+---------------+---------+---------------------------------------------------+
Reference
Complete CVSS v3 Guide
On-line Calculator v3
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
*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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
- --------------------------------------------------------------------------------
A vulnerability in IBM WebSphere Application Server OpenID Connect affects IBM
Performance Management products
Product: IBM Monitoring
Software version: 8.1.3, 8.1.4
Operating system(s): Linux
Reference #: 0878867
Security Bulletin
Summary
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.
Vulnerability Details
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)
Affected Products and Versions
IBM Monitoring 8.1.3
IBM Application Diagnostics 8.1.3
IBM Application Performance Management 8.1.3
IBM Application Performance Management Advanced 8.1.3
IBM Cloud Application Performance Management, Base Private 8.1.4
IBM Cloud Application Performance Management, Advanced Private 8.1.4
Remediation/Fixes
+---------------+-------+-----------------------------------------------------+
| Product |Product| Remediation |
| | VRMF | |
+---------------+-------+-----------------------------------------------------+
|IBM Application| | |
|Performance | | |
|Management, | |The vulnerabilitiescan be remediated by applying the |
|Base Private | |following 8.1.4.0-IBM-APM-SERVER-IF0008 server patch |
| |8.1.4 |to the system where the Cloud APM server is |
|IBM Application| |installed: https://www.ibm.com/support/docview.wss |
|Performance | |uid=ibm10874776 |
|Management, | | |
|Advanced | | |
|Private | | |
+---------------+-------+-----------------------------------------------------+
|IBM Monitoring | | |
| | | |
|IBM Application| |The vulnerabilitiescan be remediated by applying the |
|Diagnostics | |following 8.1.3.0-IBM-IPM-SERVER-IF0015 server patch |
| | |to the system where the APM server is installed: |
|IBM Application| |https://www-945.ibm.com/support/fixcentral/swg/ |
|Performance |8.1.3 |selectFixesparent=ibm%2FTivoli&product=ibm/Tivoli/ |
|Management | |IBM+Tivoli+Monitoring&release=All&platform=All& |
| | |function=fixId&fixids=8.1.3.0-IBM-IPM-SERVER-IF0015& |
|IBM Application| |includeSupersedes=0&source=fc |
|Performance | | |
|Management | | |
|Advanced | | |
+---------------+-------+-----------------------------------------------------+
Workarounds and Mitigations
None
Reference
Complete CVSS v3 Guide
On-line Calculator v3
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
Original version published 29 March 2019
*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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
- --------------------------END INCLUDED TEXT--------------------
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