Security Bulletin
Summary
Db2 binaries load shared libraries from an untrusted path, potentially giving low privileged user root access.
Vulnerability Details
CVEID: CVE-2018-1802
DESCRIPTION: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) binaries load shared libraries from an untrusted path potentially giving low privilege user full access to the DB2 instance account by loading a malicious shared library.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/149640 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 except Windows are affected. Windows platforms are not affected.
Remediation/Fixes
The recommended solution is to apply the appropriate fix for this vulnerability.
FIX:
The fix for DB2 release V11.1 is in V11.1.4.4, which is 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 | IT26144 | Special Build for V9.7 FP11:
AIX 64-bit |
| V10.1 | TBD | IT26143 | Special Build for V10.1 FP6:
AIX 64-bit |
| V10.5 | FP11 | IT26138 | |
| V11.1 | FP4 | IT26132 |
Workarounds and Mitigations
None.
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References
Acknowledgement
The vulnerability was reported to IBM by Rich Mirch.
Change History
November 5, 2018: Original version published.
November 7, 2018: Updated summary to state this applies to low privileged user not only instance owner.
November 28, 2018: Updated 11.1 version with a link to 11.1.4.4 image.
March 6, 2020: Updated 10.5 version with a link to 10.5 FP11 image.
*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:
06 March 2020
UID
ibm10733122