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AUSCERT External Security Bulletin Redistribution
ESB-2019.1085
Multiple vulnerabilities discovered in IBM i
1 April 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM i
Publisher: IBM
Operating System: IBM i
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Increased Privileges -- Existing Account
Denial of Service -- Remote/Unauthenticated
Read-only Data Access -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-2449 CVE-2019-2426 CVE-2019-2422
CVE-2019-1559 CVE-2018-12549 CVE-2018-12547
CVE-2018-11212 CVE-2018-1890
Reference: ASB-2019.0088
ESB-2019.1078
ESB-2019.0913
ESB-2019.0895
ESB-2019.0799
ESB-2019.0666
ESB-2019.0751.2
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=ibm10876638
http://www.ibm.com/support/docview.wss?uid=ibm10875554
Comment: This bulletin contains two (2) advisories.
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Vulnerability CVE-2019-1559 in OpenSSL affects IBM i
Product: IBM i
Software version: 7.1, 7.2, 7.3
Operating system(s): IBM i
Reference #: 0876638
Security Bulletin
Summary
OpenSSL is used by IBM i. IBM i has addressed the applicable CVE.
Vulnerability Details
CVEID: CVE-2019-1559
DESCRIPTION: OpenSSL could allow a remote attacker to obtain sensitive
information, caused by the failure to immediately close the TCP connection
after the hosts encounter a zero-length record with valid padding. An attacker
could exploit this vulnerability using a 0-byte record padding-oracle attack to
decrypt traffic.
CVSS Base Score: 5.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
157514 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)
Affected Products and Versions
Releases 7.1, 7.2 and 7.3 of IBM i are affected.
Remediation/Fixes
The issue can be fixed by applying a PTF to IBM i. Releases 7.1, 7.2 and 7.3 of
IBM i are supported and will be fixed.
The IBM i PTF numbers are:
Release 7.1 - SI69329
Release 7.2 & 7.3 - SI69336
https://www-945.ibm.com/support/fixcentral/
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
Change History
29 March 2019: 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.
Cross reference information
Product Component Platform Version Edition
IBM i 7.2 IBM i 7.2
IBM i 7.3 IBM i 7.3
IBM i 7.1 IBM i 7.1
- ------------------------------------------------------------------------------
Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM i
Product: IBM i
Software version: 7.1, 7.2, 7.3
Operating system(s): IBM i
Reference #: 0875554
Security Bulletin
Summary
There are multiple vulnerabilities in IBM SDK Java Technology Edition and IBM
Runtime Environment Java used by IBM i. IBM i has addressed the applicable
CVEs.
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 additional Java
vulnerabilities are applicable to your code. For a complete list of
vulnerabilities, refer to the "IBM Java SDK Security Bulletin", located in the
References section for more information.
CVEID: CVE-2018-1890
DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform
uses absolute RPATHs which may facilitate code injection and privilege
elevation by local users.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152081 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)
CVEID: CVE-2018-12549
DESCRIPTION: Eclipse OpenJ9 could allow a remote attacker to execute arbitrary
code on the system, caused by the failure to omit a null check on the receiver
object of an Unsafe call when accelerating it. An attacker could exploit this
vulnerability to execute arbitrary code on the system.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
157513 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:H)
CVEID: CVE-2018-12547
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by
improper bounds checking by the jio_snprintf() and jio_vsnprintf() functions.
By sending an overly long argument, a remote attacker could overflow a buffer
and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
157512 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:H)
CVEID: CVE-2019-2422
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE Libraries component could allow an unauthenticated attacker to obtain
sensitive information resulting in a low confidentiality impact using unknown
attack vectors.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
155741 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:N/A:N)
CVEID: CVE-2019-2449
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE Deployment component could allow an unauthenticated attacker to cause a
denial of service resulting in a low availability impact using unknown attack
vectors.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
155766 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:N/A:L)
CVEID: CVE-2019-2426
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE Networking component could allow an unauthenticated attacker to obtain
sensitive information resulting in a low confidentiality impact using unknown
attack vectors.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
155744 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
CVEID: CVE-2018-11212
DESCRIPTION: libjpeg is vulnerable to a denial of service, caused by
divide-by-zero error in the alloc_sarray function in jmemmgr.c. By persuading a
victim to open a specially-crafted file, a remote attacker could exploit this
vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
143429 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
Releases 7.1, 7.2 and 7.3 of IBM i are affected.
Remediation/Fixes
The issue can be fixed by applying a PTF to the IBM i Operating System.
Releases 7.1, 7.2 and 7.3 of IBM i are supported and will be fixed.
Please see the Java document at this URL for the latest Java information for
IBM i:
https://developer.ibm.com/community/#!/wiki/IBM%20i%20Technology%20Updates/page/Java%20on%20IBM%20i
The IBM i Group PTF numbers containing the fix for these CVEs follow. Future
Group PTFs for Java will also contain the fixes for these CVEs.
Release 7.1 - SF99572 level 35
Release 7.2 - SF99716 level 20
Release 7.3 - SF99725 level 12
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
Change History
29 March 2019: 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.
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
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