IBM Connect Direct for Microsoft Windows update for PostgreSQL

1) Memory leak

EUVDB-ID: #VU53233

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32029

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due memory leak when processing UPDATE ... RETURNING command on a purpose-crafted partitioned table. A remote authenticated user can run the affected command and read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Connect Direct for Microsoft Windows: 6.0.0.0 - 6.1.0.2

External links

http://www.ibm.com/blogs/psirt/security-bulletin-postgresql-vulnerability-affects-ibm-sterling-connectdirect-for-microsoft-windows-cve-2021-32029/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.