Security Bulletin
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 PI87445
--OR--
· Apply Fix Pack 9.0.0.6 or later.
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 PI87445
--OR--
· Apply Fix Pack 8.5.5.13 or later.
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 PI87445
--OR--
· Apply Fix Pack 8.0.0.15 or later.
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 PI87445
--OR--
· Apply Fix Pack 7.0.0.45 or later.
Workarounds and Mitigations
none
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Important Note
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References
Change History
21 November 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
swg22009782