InstallAnywhere generates installation executables on Microsoft Windows which are vulnerable to a DLL-planting exploit affecting the Change Data Capture (CDC) components within the IBM InfoSphere Data Replication and IBM InfoSphere Change Data Delivery families of products.
DESCRIPTION: Flexera InstallAnywhere could allow a local attacker to gain elevated privileges on the system, caused by an untrusted search path. An attacker could exploit this vulnerability using a Trojan horse DLL in the current working directory of a setup-launcher executable file to gain elevated privileges on the system.
CVSS Base Score: 7.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113016 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
Affected CDC components include:
Access Server (Windows-based version only)
Replication engines (agents) for the following databases (Windows-based versions only)
. DB2 for Linux, Unix and Windows
. Event Server
. Microsoft SQL Server
. PureScale Data System for Analytics
The following product levels are affected:
|IBM InfoSphere Data Replication||11.3.3, 11.3.0, 10.2.1, 10.2.0, 10.1.3, 10.1.2, 10.1.1, 10.1.0|
|IBM InfoSphere Data Replication for Apache Hadoop||11.3.3|
|IBM InfoSphere Data Replication for Database Migration||11.3.3, 10.2.1, 10.1.3|
|IBM InfoSphere Data Replication for Netezza||11.3.0, 10.2.1, 10.2.0, 10.1.3, 10.1.2|
|IBM InfoSphere Data Replication for Non-Production Environments||10.2.1, 10.1.3|
|IBM InfoSphere Change Data Delivery||11.3.3, 11.3.0, 10.2.1, 10.2.0|
|IBM InfoSphere Change Data Delivery for Information Server||11.3.3, 11.3.0, 10.2.1, 10.2.0|
|IBM InfoSphere Change Data Delivery for Netezza||11.3.0, 10.2.1, 10.2.0|
|IBM InfoSphere Change Data Delivery for PureData System for Analytics||11.3.3, 11.3.0|
|IBM InfoSphere Change Data Delivery for Information Server for PureData System for Analytics||11.3.3|
|IBM InfoSphere Change Data Delivery for Information Server for Netezza||11.3.0, 10.2.1, 10.2.0|
If you are not installing a fixed level of the CDC code, then the installation package is vulnerable to this security issue and you must use the workaround provided below to prevent being exposed to the vulnerability.
The fixed level of the CDC code can be obtained for the version 11.3.3 builds at the following location
The fix is available as of the following build numbers
IBM InfoSphere Data Replication Management Console for Windows 188.8.131.52 Build 5467, or greater
IBM InfoSphere Data Replication Access Server for Windows 184.108.40.206 Build 5467, or greater
IBM InfoSphere Data Replication CDC for all Windows agents 220.127.116.11 Build 43, or greater
Workarounds and Mitigations
Install the product or refresh pack by running the installation wizard or by running a silent installation:
To avoid an untrusted search path vulnerability where users could gain increased privileges, perform the following additional steps:
1. Clear all contents (files, sub-directories and etc.,) of your default download directory/location, if any.
2. Create a new secure directory in temporary location (such that elevated privileges are required to access this directory).
3. Copy/extract the setup.exe executable to the secure directory created in Step 2.
4. Launch the executable from the secure directory and wait until it completes.
Get Notified about Future Security Bulletins
1 June 2016: Original version published
14 June 2016: Document updated to include fix information in the "Remediation/Fixes" section.
*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.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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16 June 2018