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AUSCERT External Security Bulletin Redistribution
ESB-2017.2988
Vulnerabilities in IBM HTTP Server in WebSphere
22 November 2017
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AusCERT Security Bulletin Summary
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Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-12618 CVE-2017-9798
Reference: ESB-2017.2944
ESB-2017.2513
ESB-2017.2369
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg22009782
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Security Bulletin: Security Vulnerabilities in IBM HTTP Server (CVE-2017-9798,
CVE-2017-12618)
Document information
Software version: 7.0, 8.0, 8.5, 8.5.5, 9.0
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Enterprise, Network Deployment, Single Server
Reference #: 2009782
Modified date: 21 November 2017
Summary
There is an information disclosure vulnerability and a denial of service
vulnerability that affect the IBM HTTP Server used by WebSphere Application
Server.
Vulnerability Details
CVEID: CVE-2017-9798
DESCRIPTION: Apache HTTP Server could allow a remote attacker to obtain
sensitive information, caused by a flaw in the HTTP OPTIONS method, aka
Optionsbleed. By sending an OPTIONS HTTP request, a remote attacker could
exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
132159 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2017-12618
DESCRIPTION: Apache Portable Runtime Utility (APR-util)is vulnerable to a
denial of service, caused by failing to validate the integrity of SDBM database
files used by apr_sdbm*() functions. By making a specially-crafted program or
process, a local authenticated attacker could exploit this vulnerability to
cause the application to crash.
CVSS Base Score: 5.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
134048 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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.
* Version 9.0
* Version 8.5
* Version 8.0
* Version 7.0
Remediation/Fixes
The fixes for these are both of these vulnerabilities are contained in interim
fix PI87445.
PI87445 - CVE-2017-9798 for IBM HTTP Server
PI87663 - CVE-2017-12618 for IBM HTTP Server
For V9.0.0.0 through 9.0.0.5:
- - Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI87745
- --OR--
- - Apply Fix Pack 9.0.0.6 or later (targeted availability 4Q2017).
For V8.5.0.0 through 8.5.5.12:
- - Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI87745
- --OR--
- - Apply Fix Pack 8.5.5.13 (targeted availability 1Q2018).
For V8.0.0.0 through 8.0.0.14:
- - Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI87745
- --OR--
- - Apply Fix Pack 8.0.0.15 or later (targeted availability 2Q2018).
For V7.0.0.0 through 7.0.0.43:
- - Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI87745
- --OR--
- - Apply Fix Pack 7.0.0.45 or later (targeted availablility 2Q2018).
Workarounds and Mitigations
none
Important note
IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.
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