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AUSCERT External Security Bulletin Redistribution
ESB-2021.0876
IBM Db2 db2fm is vulnerable to a buffer overflow (CVE-2020-5025)
11 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM DB2
Publisher: IBM
Operating System: AIX
HP-UX
Solaris
Windows
Linux variants
Impact/Access: Root Compromise -- Existing Account
Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-5025
Original Bulletin:
https://www.ibm.com/support/pages/node/6427855
- --------------------------BEGIN INCLUDED TEXT--------------------
IBM Db2 db2fm is vulnerable to a buffer overflow (CVE-2020-5025)
Document Information
Document number : 6427855
Modified date : 10 March 2021
Product : DB2 for Linux- UNIX and Windows
Software version : 9.7,10.2,10.5,11.1,11.5
Operating system(s): AIX
HP-UX
Solaris
Windows
Linux
Summary
IBM Db2 db2fm 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-2020-5025
DESCRIPTION: IBM DB2 db2fm 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/
193661 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 V9.7, V10.1, V10.5, V11.1, and V11.5 editions on
all platforms are 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: V9.7 FP11, V10.1 FP6, V10.5 FP11, V11.1 FP5,
and V11.5.5. They can be applied to any affected fixpack level of the
appropriate release to remediate this vulnerability.
+-------+-----------+-------+-------------------------------------------------+
|Release|Fixed in |APAR |Download URL |
| |fix pack | | |
+-------+-----------+-------+-------------------------------------------------+
|V9.7 |TBD |IT35308|Special Build for V9.7 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, System z, System z9 or zSeries |
| | | |Solaris 64-bit, SPARC [Link will be provided as |
| | | |soon as it becomes available] |
| | | |Solaris 64-bit, x86-64 |
| | | |Windows 32-bit, x86 |
| | | |Windows 64-bit, x86 |
+-------+-----------+-------+-------------------------------------------------+
|V10.1 |TBD |IT35307|Special Build for V10.1 FP6: |
| | | | |
| | | |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, System z, System z9 or zSeries |
| | | |Solaris 64-bit, SPARC |
| | | |Solaris 64-bit, x86-64 |
| | | |Windows 32-bit, x86 [Link will be provided as |
| | | |soon as it becomes available] |
| | | |Windows 64-bit, x86 [Link will be provided as |
| | | |soon as it becomes available] |
+-------+-----------+-------+-------------------------------------------------+
|V10.5 |TBD |IT35306|Special 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 |11.1.4FP6 |IT35305|https://www.ibm.com/support/pages/node/6427871 |
+-------+-----------+-------+-------------------------------------------------+
|V11.5 |TBD |IT35303|Special Build for V11.5.5: |
| | | | |
| | | |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 |
| | | |Windows 32-bit, x86 |
| | | |Windows 64-bit, x86 |
+-------+-----------+-------+-------------------------------------------------+
Workarounds and Mitigations
None
References
Acknowledgement
The vulnerability was reported to IBM by Dijing Wang
Change History
10 Mar 2021: Initial Publication
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