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AUSCERT External Security Bulletin Redistribution
ESB-2018.1128
Security Bulletin: Multiple vulnerabilities in the IBM HTTP Server
(CVE-2017-15710, CVE-2017-15715, CVE-2018-1301)
12 April 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM WebSphere Application Server
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
z/OS
Impact/Access: Denial of Service -- Remote/Unauthenticated
Unauthorised Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-1301 CVE-2017-15715 CVE-2017-15710
Reference: ESB-2018.1118
ESB-2018.1058
ESB-2018.0881
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22015344
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Security Bulletin: Multiple vulnerabilities in the IBM HTTP Server
(CVE-2017-15710, CVE-2017-15715, CVE-2018-1301)
Security Bulletin
Document information
More support for: WebSphere Application Server
IBM HTTP Server
Software version: 7.0, 8.0, 8.5, 9.0
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, z/OS
Software edition: Advanced, Base, Enterprise, Network Deployment, Single
Server
Reference #: 2015344
Modified date: 11 April 2018
Summary
There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere
Application Server.
Vulnerability Details
CVEID: CVE-2018-1301
DESCRIPTION: Apache HTTPD is vulnerable to a denial of service, caused by an
out-of-bounds access error after a header size limit has been reached reading
the HTTP header. By sending a specially crafted HTTP request, an attacker
could exploit this vulnerability to cause the service to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
140852 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:N/A:L)
CVEID: CVE-2017-15715
DESCRIPTION: Apache HTTPD could allow a remote attacker to bypass security
restrictions, caused by the failure to properly match characters in a filename
by the '''' expression. An attacker could exploit this vulnerability using a
specially crafted filename to bypass security controls that use the ''''
directive.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
140857 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-2017-15710
DESCRIPTION: Apache HTTPD is vulnerable to a denial of service, caused by an
out-of-bounds memory write error. By sending a specially crafted
Accept-Language header value, an attacker could exploit this vulnerability to
cause the service to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
140858 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:N/A:L)
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
o Version 8.0
o Version 7.0
Remediation/Fixes
For V9.0.0.0 through 9.0.0.7:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI95670
- --OR--
. Apply Fix Pack 9.0.0.8 or later (targeted availability 22 June 2018).
For V8.5.0.0 through 8.5.5.13:
. Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI95670
- --OR--
. Apply Fix Pack 8.5.5.14 (targeted availability 20 August 2018).
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 PI95670
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 PI95670
Get Notified about Future Security Bulletins
Subscribe to My Notifications to be notified of important product support
alerts like this.
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.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
11 April 2018: 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
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.
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