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AUSCERT External Security Bulletin Redistribution
ESB-2017.1321
Security Bulletin: Multiple vulnerabilities in IBM Java
Runtime affect z/TPF
24 May 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: z/TPF
Publisher: IBM
Operating System: z/TPF
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Increased Privileges -- Existing Account
Modify Arbitrary Files -- Remote with User Interaction
Denial of Service -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-3544 CVE-2017-3539 CVE-2017-3533
CVE-2017-3526 CVE-2017-3514 CVE-2017-3512
CVE-2017-3511 CVE-2017-3509 CVE-2017-1289
CVE-2016-9843 CVE-2016-9842 CVE-2016-9841
CVE-2016-9840
Reference: ASB-2017.0056
ESB-2017.1268
ESB-2017.1258
ESB-2017.1251
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22003273
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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect z/TPF
Security Bulletin
Document information
More support for:
TPF
z/TPF
Software version:
1.1
Operating system(s):
z/TPF
Reference #:
2003273
Modified date:
23 May 2017
Summary
There are multiple vulnerabilities in IBM Runtime Environment Java Version 8
used by z/TPF. These issues were disclosed as part of the IBM Java SDK updates
in April 2017.
Vulnerability Details
If you run your own Java code using the IBM Java Runtime delivered with this
product, you should evaluate your code to determine whether the complete list
of vulnerabilities are applicable to your code. For a complete list of
vulnerabilities please refer to the link for IBM Java SDK Security Bulletin"
located in the References section for more information.
CVEID: CVE-2017-3514
DESCRIPTION: An unspecified vulnerability related to the Java SE AWT component
could allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124893
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVEID: CVE-2017-3512
DESCRIPTION: An unspecified vulnerability related to the Java SE AWT component
could allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124891
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVEID:
CVE-2017-3511
DESCRIPTION: An unspecified vulnerability related to the Java SE JCE component
could allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 7.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124890
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)
CVEID: CVE-2017-3526
DESCRIPTION: An unspecified vulnerability related to the Java SE JAXP
component could allow an unauthenticated attacker to cause a denial of service
resulting in a high availability impact using unknown attack vectors.
CVSS Base Score: 5.9
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124904
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVEID: CVE-2017-3509
DESCRIPTION: An unspecified vulnerability related to the Java SE Networking
component could allow an unauthenticated attacker to cause low confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base Score: 4.2
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124888
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)
CVEID: CVE-2017-3544
DESCRIPTION: An unspecified vulnerability related to the Java SE Networking
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124920
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2017-3533
DESCRIPTION: An unspecified vulnerability related to the Java SE Networking
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124910
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
CVEID: CVE-2017-3539
DESCRIPTION: An unspecified vulnerability related to the Java SE Security
component could allow an unauthenticated attacker to cause no confidentiality
impact, low integrity impact, and no availability impact.
CVSS Base Score: 3.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124915
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N)
CVEID: CVE-2017-1289
DESCRIPTION: IBM SDK, Java Technology Edition is vulnerable XML External
Entity Injection (XXE) error when processing XML data. A remote attacker could
exploit this vulnerability to expose highly sensitive information or consume
memory resources.
CVSS Base Score: 8.2
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/125150
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:L)
CVEID: CVE-2016-9840
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an
out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open
a specially crafted document, a remote attacker could exploit this
vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120508
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2016-9841
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an
out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open
a specially crafted document, a remote attacker could exploit this
vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120509
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2016-9842
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an undefined
left shift of negative number. By persuading a victim to open a specially
crafted document, a remote attacker could exploit this vulnerability to cause
a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120510
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2016-9843
DESCRIPTION: zlib is vulnerable to a denial of service, caused by a big-endian
out-of- bounds pointer. By persuading a victim to open a specially crafted
document, a remote attacker could exploit this vulnerability to cause a denial
of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/120511
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
Affected Products and Versions
z/TPF Enterprise Edition Version 1.1.14
Remediation/Fixes
Product VRMF APAR Remediation/First Fix
z/TPF 1.1.14 APAR PJ44655 Apply APAR PJ44655, which you can download from the z/TPF maintenance web page.
Download and install the PJ44655_ibm-java-jre-8.0-4.5.tar.gz
package from the IBM 64-bit Runtime Environment for z/TPF,
Java Technology Edition, Version 8 download page.
Workarounds and Mitigations
None
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
ntial risk.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
IBM SDK Java Technology Edition security bulletin
Acknowledgement
None
Change History
23 May 2017: Original version 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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