IBM HTTP Server: Access Privileged Data -- Remote/Unauthenticated

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0728
      Information disclosure vulnerability patched in IBM HTTP Server
                               13 March 2018

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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:     Access Privileged Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1388  

Reference:         ESB-2018.0337

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22014196

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Security Bulletin: Security Bulletin: Information disclosure in IBM HTTP Server
(CVE-2018-1388)

Security Bulletin

Document information
Software version: 7.0
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows
Software edition: Advanced, Base, Developer, Network Deployment, Single Server
Reference #: 2014196
Modified date: 12 March 2018

Summary

There is a potential information disclosure in IBM HTTP Server used by
WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2018-1388
DESCRIPTION: GSKit V7 may disclose side channel information via discrepencies
between valid and invalid PKCS#1 padding.
CVSS Base Score: 9.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
138212 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:H/A:N)

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 7.0

Remediation/Fixes

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  PI91913  
- --OR--
* Apply Fix Pack 7.0.0.45 or later (targeted availablility 2Q2018).

Change History

12 March 2018: original document published

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