Security Bulletin
Summary
Db2 is affected by vulnerabilities in IBM® JDK. This only affects customers using Integrated Text Search.
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
All fix pack levels of IBM Db2 V9.7, V10.1, V10.5, and V11.1 editions on all platforms are affected.
Remediation/Fixes
The recommended solution is to apply the appropriate fix for this vulnerability.
The fix for this vulnerability is in latest version of IBM JDK. Customers running any vulnerable fixpack level of an affected Program, V9.7, V10.1, V10.5 or V11.1 can download the latest version of IBM JDK from Fix Central
Affected IBM Releases:
- 6.0.16.41 and earlier
- 6.1.8.41 and earlier
- 7.0.10.1 and earlier
- 7.1.4.1 and earlier
- 8.0.4.2 and earlier
Fixed IBM Releases:
- 6.0.16.45
- 6.1.8.45
- 7.0.10.5
- 7.1.4.5
- 8.0.4.5
Refer to the table below to determine the IBM JDK level that contains the fix. Then follow the instructions below to perform the JDK installation.
| Db2 Release | Fixed IBM Release |
| V9.7.x | 6.0.16.45 or later |
| V10.1.x | 7.0.10.5 or later |
| V10.5.x | 7.0.10.5 or later (6.0.16.45 or later for LinuxIA64) |
| V11.1.x | 8.0.4.5 or later |
http://www-01.ibm.com/support/docview.wss?uid=swg27050993
Workarounds and Mitigations
None.
Get Notified about Future Security Bulletins
References
Change History
November 13, 2017: Original Version Published
November 16, 2017: Added statement to reflect that the vulnerability affects customers using Integrated Text Search.
May 10, 2018: Updated IBM JDK Installation instructions to point to a technote.
*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
swg22010282