Security Bulletin
Summary
Vulnerabilities have been addressed in the open source zlib library component of IBM Data Server Driver Package and IBM Data Server Driver for ODBC and CLI.
Vulnerability Details
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
The following editions are affected in fix pack V11.1 on all Platforms.
- IBM Data Server Driver for ODBC and CLI
- IBM Data Server Driver Package
Remediation/Fixes
The fix for this problem is available for IBM Data Server Driver Package and IBM Data Server Driver for ODBC and CLI in Db2 11.1.2.2 (Mod 2 fix pack 2) and later.
Refer to the following chart to determine how to proceed to obtain a needed fixpack.
| Product | VRMF | APAR | Remidiation/First Fix |
| IBM Data Server Driver Package | DB2 11.1 Mod 2 Fix Pack 2 | Nil | MacOS 64 bit Linux/390x 64 bit IBM Data Server Driver for ODBC, CLI, and .NET Merge Modules (Windows/x86-64 64 bit) Windows/x86-64 64 bit Windows/x86-32 32 bit IBM Data Server Driver for ODBC, CLI, and .NET Merge Modules (Windows/x86-32 32 bit) Linux/ppc64 64 bit Linux/x86-32 32 bit Linux/x86-64 64 bit AIX 64 bit |
| IBM Data Server Driver for ODBC and CLI (32 bit) | DB2 11.1 Mod 2 Fix Pack 2 | Nil | Linux/390x 64 bit AIX 64 bit |
| IBM Data Server Driver for ODBC and CLI (64 bit) | DB2 11.1 Mod 2 Fix Pack 2 | Nil | Linux/390x 64 bit Windows/x86-64 64 bit Windows/x86-32 32 bit Linux/ppc64 64 bit Linux/x86-32 32 bit Linux/x86-64 64 bit AIX 64 bit |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
None
Change History
24-July-2017 Initial 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
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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Document Information
Modified date:
16 June 2018
UID
swg22002754