VMware Tanzu products update for Heimdal

1) Out-of-bounds read

EUVDB-ID: #VU69362

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-41916

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in Heimdal's PKI certificate validation library. A remote attacker can pass a specially crafted certificate to the affected application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

The vulnerability affects KDC (via PKINIT), kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware Tanzu Application Service for VMs: before 2.11.31, 2.12.20, 2.13.13, 3.0.7, 4.0.0, 2.11.31, 2.11.31, 2.11.31, 2.11.31

Isolation Segment: before 2.11.25, 2.12.15, 2.13.10, 3.0.7, 4.0.0, 2.11.25, 2.11.25, 2.11.25, 2.11.25

Platform Automation Toolkit: before 4.4.30

VMware Tanzu Operations Manager: before 2.10.52

Tanzu Greenplum for Kubernetes: before 2.0.0

CPE2.3

• cpe:2.3:a:vmware:vmware_tanzu_application_service_for_vms:*:*:*:*:*:*:*:*
• cpe:2.3:a:vmware:isolation_segment:*:*:*:*:*:*:*:*
• cpe:2.3:a:vmware:platform_automation_toolkit:*:*:*:*:*:*:*:*
• cpe:2.3:a:vmware:vmware_tanzu_operations_manager:*:*:*:*:*:*:*:*
• cpe:2.3:a:vmware:tanzu_greenplum_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://tanzu.vmware.com/security/usn-5766-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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