Security Bulletin
Summary
Db2 is vulnerable to a buffer overflow which could allow a local malicious user to execute arbitrary code as root.
Vulnerability Details
CVEID: CVE-2018-1936
DESCRIPTION: IBM DB2 libdb2e.so.1 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/153316 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
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.
FIX:
The fix for Db2 V11.1 is in V11.1.4.5, available for download from Fix Central.
Customers running any vulnerable fixpack level of an affected Program, V9.7, V10.1, and V10.5, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent fixpack level for each impacted release: DB2 V9.7 FP11, V10.1 FP6, and V10.5 FP10. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.
| Release | Fixed in fix pack | APAR | Download URL |
| V9.7 |
TBD | IT27154 | Special Build for V9.7 FP11:
AIX 64-bit |
| V10.1 |
TBD | IT27153 | Special Build for V10.1 FP6:
AIX 64-bit |
| V10.5 |
TBD | IT27143 | Special Build for V10.5 FP10:
AIX 64-bit |
| V11.1 |
FP5 | IT27152 | http://www.ibm.com/support/docview.wss?uid=ibm11115973 |
Workarounds and Mitigations
None
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References
Acknowledgement
The vulnerability was reported to IBM by Eddie Zhu, BEIJING DBSEC TECHNOLOGY CO., LTD.
Change History
April 1, 2019: Original Version Published
April 3, 2019: Added link to image for V9.7 Windows 64-bit version.
December 2, 2019: Replaced Special Build urls with the V11.1 FP5 url.
*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:
02 December 2019
UID
ibm10741481