Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2019.1014
IBM Security Bulletin: Vulnerability CVE-2018-14647 in Python affects IBM i
27 March 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM i
Publisher: IBM
Operating System: IBM i
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14647
Reference: ESB-2019.0824
ESB-2019.0576
ESB-2018.3549.2
ESB-2018.3133
ESB-2018.2936
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10876694
- --------------------------BEGIN INCLUDED TEXT--------------------
Vulnerability CVE-2018-14647 in Python affects IBM i
Product: IBM i
Software version: 7.1,7.2,7.3
Operating system(s): IBM i
Reference #: 0876694
Security Bulletin
Summary
Python is supported by IBM i. IBM i has addressed the applicable CVE.
Vulnerability Details
CVEID: CVE-2018-14647
DESCRIPTION: Python is vulnerable to a denial of service, caused by a flaw in
the elementtree C accelerator. By using a specially-crafted XML document, a
remote attacker could exploit this vulnerability to cause a resource
exhaustion.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
150579 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
Releases 7.1, 7.2 and 7.3 of IBM i are affected.
Remediation/Fixes
Releases 7.1, 7.2 and 7.3 of IBM i are supported and will be fixed. The issue
can be fixed by applying a PTF to IBM i or installing an rpm update based on
Python version.
Release 7.1, 7.2 & 7.3support python 3.4 and 2.7
The IBM i PTF numbers are:
SI69146 - 5733OPS Option 4 (python 2) [The same number PTF is applicable for
all 3 OS releases]
SI69338 - 5733OPS Option 2 (python 3) [The same number PTF is applicable for
all 3 OS releases]
[NOTE - SI69338 is the final PTF for 5733OPS Option 2 (python 3) as that option
is no longer supported. To remain on a supported version, migrate to PYTHON
version 3.6 in rpm format.]
https://www-945.ibm.com/support/fixcentral/
Release 7.2 and 7.3 support PYTHON version 2.7 in rpm format
The recommended way to install these RPM's is to use the IBM i Access Client
Solutions product or run '/QOpenSys/pkgs/bin/yum upgrade python2`. For more
information about the packages in rpm format, see http://ibm.biz/ibmi-rpms
If deploying alternatively, PYTHON version 2.7 is available via:
ftp://public.dhe.ibm.com/software/ibmi/products/pase/rpms/repo/ppc64/
python2-2.7.16-1.ibmi7.1.ppc64.rpm
Release 7.2 and 7.3 support PYTHON version 3.6 in rpm format
The recommended way to install these RPM's is to use the IBM i Access Client
Solutions product or run '/QOpenSys/pkgs/bin/yum upgrade python3`. For more
information about the packages in rpm format, see http://ibm.biz/ibmi-rpms/
If deploying alternatively, PYTHON version 3.6 is available via:
ftp://public.dhe.ibm.com/software/ibmi/products/pase/rpms/repo/ppc64/
python3-3.6.8-1.ibmi7.1.ppc64.rpm
Important note: IBM recommends that all users running unsupported versions of
affected products upgrade to supported and fixed version of affected products.
Workarounds and Mitigations
None
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
25 March 2019: Original Version Published
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.
Cross reference information
Product Component Platform Version Edition
IBM i 7.1 IBM i 7.1
IBM i 7.2 IBM i 7.2
IBM i 7.3 IBM i 7.3
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=Vk2P
-----END PGP SIGNATURE-----