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Security Bulletin: IBM® Db2® is vulnerable to a buffer overflow (CVE-2020-4701)

Security Bulletin


Summary

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges.

Vulnerability Details

CVEID:   CVE-2020-4701
DESCRIPTION:   IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/187078 for the current score.
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 V10.5, V11.1, and V11.5 editions on all platforms are affected.  IBM Db2 V10.1 and 9.7 are not affected.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program 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: V10.5 FP11, 11.1 FP5, and V11.5.4. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.


ReleaseFixed in fix packAPARDownload URL
V10.5TBDIT34474Special Build for V10.5 FP11:

AIX 64-bit
HP-UX 64-bit
Linux 32-bit, x86-32
Linux 64-bit, x86-64
Linux 64-bit, POWER™ big endian
Linux 64-bit, POWER™ little endian
Linux 64-bit, System z®, System z9® or zSeries®
Solaris 64-bit, SPARC
Solaris 64-bit, x86-64
Windows 32-bit, x86
Windows 64-bit, x86
Inspur

V11.1

v11.1.4FP6


IT34472

Build for v11.1.4FP6

https://www.ibm.com/support/pages/node/6427871


V11.511.5.5.0IT34614Build for V11.5.5 GA:

https://www.ibm.com/support/pages/node/6368787




Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

10 March 2021:  Replaced Special Build urls with the 11.1.4FP6 url
10 December 2020: Updated link for 10.5 Windows 64-bit image
9 Dec 2020: Updated link for 11.1 Linux 64-bit, POWER™ little endian image
18 Nov 2020: Initial Publication

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":"10.5, 11.1, 11.5","Edition":"Advanced Enterprise Server; Advanced Workgroup Server; Enterprise Server; Express; Express-C; Personal; Workgroup Server ","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
10 March 2021

UID

ibm16370025