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AUSCERT External Security Bulletin Redistribution
ESB-2021.3125
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)
16 September 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Db2
Publisher: IBM
Operating System: AIX
Linux variants
Solaris
Windows
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-29763
Original Bulletin:
https://www.ibm.com/support/pages/node/6489493
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Security Bulletin: IBM(R) Db2(R) 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(R) Db2(R) 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 |APAR |Download URL |
| |pack | | |
+-------+----------------+-------+--------------------------------------------+
|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(TM) little endian |
| | | |Linux 64-bit, System z(R), System z9(R) or |
| | | |zSeries(R) |
| | | |Solaris 64-bit, SPARC |
| | | |Windows 32-bit, x86 |
| | | |Windows 64-bit, x86 |
+-------+----------------+-------+--------------------------------------------+
|V11.5 |TBD |IT36906|Special Build for V11.5.6: |
| | | | |
| | | |AIX 64-bit |
| | | |Linux 32-bit, x86-32 |
| | | |Linux 64-bit, x86-64 |
| | | |Linux 64-bit, POWER(TM) little endian |
| | | |Linux 64-bit, System z(R), System z9(R) or |
| | | |zSeries(R) |
| | | |Windows 32-bit, x86 |
| | | |Windows 64-bit, x86 |
+-------+----------------+-------+--------------------------------------------+
Workarounds and Mitigations
None
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References
Complete CVSS v3 Guide
On-line Calculator v3
Off
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
15 Sep 2021: Initial Publication
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