IBM WebSphere Application Server in IBM Cloud: Multiple vulnerabilities

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2034
   Multiple vulnerabilities in the IBM HTTP Server used in IBM WebSphere
       Application Server in IBM Cloud (CVE-2019-0211 CVE-2019-0220)
                                6 June 2019

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        AusCERT Security Bulletin Summary
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Product:           IBM WebSphere Application Server in IBM Cloud
Publisher:         IBM
Operating System:  UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Root Compromise  -- Existing Account      
                   Reduced Security -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-0220 CVE-2019-0211 

Reference:         ESB-2019.1949
                   ESB-2019.1940
                   ESB-2019.1813
                   ESB-2019.1595

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10882256

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Multiple vulnerabilities in the IBM HTTP Server used in IBM WebSphere
Application Server in IBM Cloud (CVE-2019-0211 CVE-2019-0220)

Product:             WebSphere Application Server in IBM Cloud
Component:           --
Software version:    Version Independent
Operating system(s): Platform Independent
Reference #:         0882256

Security Bulletin

Summary

There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere
Application Server.

Apache HTTP Server could provide weaker than expected security, caused by URL
normalization inconsistencies. Apache HTTP Server could allow a local
authenticated attacker to gain elevated privileges on the system.

Vulnerability Details

CVEID: CVE-2019-0220
DESCRIPTION: Apache HTTP Server could provide weaker than expected security,
caused by URL normalization inconsistencies. A remote attacker could exploit
this vulnerability to launch further attacks on the system.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
158948 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2019-0211
DESCRIPTION: Apache HTTP Server could allow a local authenticated attacker to
gain elevated privileges on the system, caused by the execution of code in
less-privileged child processes or threads from modules' scripts. By
manipulating the scoreboard, an attacker could exploit this vulnerability to
execute arbitrary code on the system with root privileges.
CVSS Base Score: 8.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
158929 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H)

Affected Products and Versions

These vulnerabilities affect the following versions and releases of IBM HTTP
Server (powered by Apache) component in all editions of WebSphere Application
Server and bundling products.

  o Version 9.0
  o Version 8.5

Remediation/Fixes

To patch an existing service instance, refer to the IBM HTTP Server bulletin
listed below

  o Multiple vulnerabilities in IBM HTTP Server (CVE-2019-0211 CVE-2019-0220)

Please see Updating your environment in the KnowlegeCenter for information on
applying service.

Alternatively, delete the vulnerable service instance and create a new
instance.

Monitor IBM Cloud Status for Future Security Bulletins

Monitor the security notifications on the IBM Cloud Status page to be advised
of future security bulletins.

Change History

04 June 2019 - Original document published

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