Security Bulletin: IBM® Db2® under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service. (CVE-2021-29763)

Security Bulletin

Summary

IBM® Db2® under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service.

Vulnerability Details

CVEID: CVE-2021-29763
DESCRIPTION: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service.
CVSS Base score: 5.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202267 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V11.1, and V11.5 editions on all platforms are affected.

Versions 9.7, 10.1 and 10.5 are not impacted.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, v11.1 and V11.5, 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: V11.1.4 FP6, and V11.5.6. 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
V11.1	TBD	IT36870	Special Build for V11.1.4 FP6: AIX 64-bit Linux 32-bit, x86-32 Linux 64-bit, x86-64 Linux 64-bit, POWER™ little endian Linux 64-bit, System z®, System z9® or zSeries® Solaris 64-bit, SPARC Windows 32-bit, x86 Windows 64-bit, x86
V11.5	11.5.7	IT36906	https://www.ibm.com/support/pages/node/6524304

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

08 Dec 2021: Updated 11.5 link to the 11.5.7 release
19 Oct 2021: Refreshed image for 11.5 Widows 64-bit (corrected sped file)
29 Sep 2021: Refreshed image for 11.5 Windows 64-bit
15 Sep 2021: 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: IBM® Db2® under very specific conditions, could allow a local user to keep running a procedure that could cause the system to run out of memory.and cause a denial of service. (CVE-2021-29763)