ESB-2018.1676 - [Win] IBM Security AppScan Enterprise: Multiple vulnerabilities 2018-06-05

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1676
          Security Bulletin: Multiple vulnerabilities in IBM Java
              Runtime affect IBM Security AppScan Enterprise
                                5 June 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Security AppScan Enterprise
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Access Privileged Data          -- Remote/Unauthenticated
                   Modify Arbitrary Files          -- Remote/Unauthenticated
                   Delete Arbitrary Files          -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2798 CVE-2018-2783 CVE-2018-2633
                   CVE-2018-2603 CVE-2018-2602 CVE-2018-2579

Reference:         ASB-2018.0100
                   ASB-2018.0085
                   ASB-2018.0024
                   ESB-2018.0207
                   ESB-2018.0205
                   ESB-2018.0180

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22016709

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM
Security AppScan Enterprise


More support for: IBM Security AppScan Enterprise

Software version: 9.0.3.8

Operating system(s): Windows

Reference #: 2016709

Modified date: 01 June 2018


Summary

There are multiple vulnerabilities in IBM(R) Runtime Environment Java(TM) Technology
Edition, Version 8.0 SR5 that is used by IBM Security AppScan Enterprise. These
issues were disclosed as part of the IBM Java SDK updates in May 2018.


Vulnerability Details

CVEID: CVE-2018-2579
DESCRIPTION: A flaw in the JCE component causes an incorrect key to be returned
by the javax.crypto.SecretKey.getEncoded() API under certain limited
circumstances involving high concurrency.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137833 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2018-2602
DESCRIPTION: Under some circumstances the Java launcher will unexpectedly load
an arbitrary class from the current directory and execute code within it. This
could be exploited by an attacker to trick a victim into executing malicious
code (if the attacker can get their class into the victim's current working
directory).
CVSS Base Score: 4.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137854 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2018-2603
DESCRIPTION: A flaw in the security component's DER parser allows an attacker to
inflict a DoS via malicious key data that triggers an OutOfMemoryError.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137855 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-2633
DESCRIPTION: A flaw in the certpath component allows an attacker to induce an
arbitrary JNDI lookup via a specially crafted LDAP CRL URL.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137885 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2018-2783
DESCRIPTION: A flaw in TLS handshaking related to previously implemented 3Shake
countermeasures.
CVSS Base Score: 7.4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/141939 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2018-2798
DESCRIPTION: A flaw in the AWT component allows an attacker to inflict a DoS via
malicious serialized data which triggers an OutOfMemoryError.
CVSS Base Score: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/141954 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)


Affected Products and Versions

IBM Security AppScan Enterprise 9.0.3.8 and earlier versions.


Remediation/Fixes

+----------+---------+------------+---------------------------------------------------------------------------+
|Product   |VRMF     |APAR        |Remediation/First Fix                                                      |
+----------+---------+------------+---------------------------------------------------------------------------+
|          |         |            |Steps to download and replace JRE in IBM Security AppScan Enterprise:      |
|          |         |            |1. Download AppScanEnterprise-JavaSE-SDK-8.0.5.15-Windows from http://     |
|          |         |            |www.ibm.com/support/fixcentral/quickorder?product=                         |
|          |         |            |ibm%2FRational%2FRational+AppScan+Enterprise+Edition&fixids=               |
|          |         |            |AppScanEnterprise-JavaSE-SDK-8.0.5.15-Windows&source=SAR                   |
|          |         |            |2. Steps to replace JRE:                                                   |
|          |         |            |                                                                           |
|          |         |            |  o Unzip the downloaded JRE zip file to a directory.                      |
|          |         |            |  o Stop the IBM Security AppScan Enterprise Server service from the       |
|          |         |            |    Service Control Manager.                                               |
|          |         |            |  o Move %ASE_HOME%\java\jre folder to backup folder.                      |
|          |         |            |  o Move %ASE_HOME%\Liberty\jre folder to backup folder.                   |
|IBM       |         |            |  o Copy the unzipped jre folder to %ASE_HOME%\java\ and %ASE_HOME%\Liberty|
|Security  |         |            |    \ folders.                                                             |
|AppScan   |         |            |  o Start the IBM Security AppScan Enterprise Server service from the      |
|Enterprise|9.0.3.x  |N/A         |    Service Control Manager.                                               |
+----------+---------+------------+---------------------------------------------------------------------------+

To verify if IBM Security AppScan Enterprise has JRE version to address above
security vulnerabilities:

Open a command prompt

Go to %ASE_HOME%\java\jre\bin folder Execute java -version

Example Output:- java version "1.8.0_171" Java(TM) SE Runtime Environment (build
8.0.5.15 - pwi3280sr5fp15-20180502_01(SR5FP15)) IBM J9 VM (build 2.9, JRE 1.8.0
Windows Server 2012 R2 x86-32 20180425_385365 (JIT enabled, AOT enabled)

If the output version is 8.0.5.15 or greater than 8.0.5.15, it implies that the
JRE addresses these security vulnerabilities.


Workarounds and Mitigations

None


Acknowledgement

None

*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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