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AUSCERT External Security Bulletin Redistribution
ESB-2015.2282
Security Bulletin: Denial of service may affect IBM HTTP
Server (CVE-2015-1283)
1 September 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM HTTP Server
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-1283
Reference: ASB-2015.0073
ESB-2015.2160
ESB-2015.1959
ESB-2015.1957
ESB-2015.1954
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21964428
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Security Bulletin: Denial of service may affect IBM HTTP Server
(CVE-2015-1283)
Security Bulletin
Document information
More support for:
IBM HTTP Server
Software version:
6.1, 7.0, 8.0, 8.5, 8.5.5
Operating system(s):
AIX, HP-UX, Linux, Solaris, Windows
Reference #:
1964428
Modified date:
2015-08-31
Summary
Denial of service may affect IBM HTTP Server. The IBM HTTP Server is used by
IBM WebSphere Application Server.
Vulnerability Details
CVEID: CVE-2015-1283
DESCRIPTION: Multiple integer overflows in the XML_GetBuffer function in Expat
through 2.1.0, as used in Google Chrome before 44.0.2403.89 and other
products(Apache IHS), allow remote attackers to cause a denial of service
(heap-based buffer overflow) or possibly have unspecified other impact via
crafted XML data, a related issue to CVE-2015-2716.
CVSS Base Score: 6.8
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/104964 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM HTTP
Server (powered by Apache) component in all editions of WebSphere Application
Server and bundling products.
Version 8.5.5
Version 8.5
Version 8.0
Version 7.0
Version 6.1
Remediation/Fixes
The recommended solutions is to apply the interim fix, Fix Pack or PTF
containing APAR PI45596 for each named product as soon as practical.
For affected IBM HTTP Server for WebSphere Application Server:
For V8.5.0.0 through 8.5.5.6 Full Profile:
Upgrade to a minimum of Fix Pack 8.5.5.4 or later then apply Interim Fix
PI45596
- --OR--
Apply Fix Pack 8.5.5.7 or later (targeted availability 11 September 2015).
For V8.0 through 8.0.0.11:
Upgrade to a minimum of Fix Pack 8.0.0.9 or later and then apply Interim Fix
PI45596
- --OR--
Apply Fix Pack 8.0.0.12 or later (targeted availability 18 January 2016).
For V7.0.0.0 through 7.0.0.37:
Upgrade to a minimum of Fix Pack 7.0.0.33 or later and then apply Interim Fix
PI45596
- --OR--
Apply Fix Pack 7.0.0.39 or later (targeted availability 02 November 2015).
For V6.1.0.0 through 6.1.0.47:
Upgrade to Fix Pack 6.1.0.47 and then apply cumulative Interim Fix PI45596
For unsupported versions IBM recommends upgrading to a fixed, supported
version of the product.
Workarounds and Mitigations
none
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References
Complete CVSS v2 Guide
On-line Calculator v2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
31 August 2015: 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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