Security Bulletin: IBM® Db2® federated server is affected by a vulnerability in the open source netty-codec-http library. (CVE-2024-29025)

Summary

IBM® Db2® federated server is affected by a vulnerability in the open source netty-codec-http library when using the NoSQL Blockchain wrapper.

Vulnerability Details

CVEID:CVE-2024-29025
**DESCRIPTION:**Netty is vulnerable to a denial of service, caused by a flaw when using the HttpPostRequestDecoder to decode a form. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/286403 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

11.5.0 - 11.5.9

|

Server

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

To determine if Federation is enabled, issue the following:

db2 get dbm cfg | grep FEDERATED

If a value of NO is returned, you are not vulnerable.

You can determine if you are using one of the affected wrappers by performing:

To determine if the NoSQL Blockchain wrapper is in use, issue the following statement:

db2 “select * from syscat.serveroptions where option=‘PEER_URL’”

If 1 or more rows are returned, then NoSQL Blockchain wrapper is in use.

Remediation/Fixes

Customers running any vulnerable fixpack level of an affected Program, 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: V11.5.8 and V11.5.9. They can be applied to any affected fixpack level of the appropriate release to remediate this vulnerability.

Special Build for V11.5.0:

AIX 64-bit (for OS7.1)

Special Build #42458 or later for V11.5.8 available at this link:
<https://www.ibm.com/support/pages/node/6856211&gt;

Special Build #42449 or later for V11.5.9 available at this link:
<https://www.ibm.com/support/pages/node/7087189&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