Security Bulletin: IBM® Db2® could allow an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query. (CVE-2023-47701)

Summary

IBM® Db2® could allow an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query.

Vulnerability Details

CVEID:CVE-2023-47701
**DESCRIPTION:**IBM DB2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/271193 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

10.5.0.x

|

Server

IBM® Db2®|

11.1.4.x

|

Server

IBM® Db2®|

11.5.x

|

Server

Linux, Unix platforms are affected. Windows is not affected.
Earlier releases (10.1, 9.7 etc.) may also be affected, but they are no longer supported.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, V10.5, 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: V10.5 FP11, V11.1.4 FP7, and V11.5.9. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

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

V11.1| TBD| DT239406|

Special Build for V11.1.4 FP7:

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

V11.5| TBD| DT239406|

Special Build for V11.5.0:

AIX 64-bit (for OS7.1)

Special Build for V11.5.8:

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®

V11.5.9:
<https://www.ibm.com/support/pages/node/7071342&gt;

IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability.

Workarounds and Mitigations

None