Cryptographic issues in IBM DataPower Gateway

1) Cryptographic issues

EUVDB-ID: #VU80188

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-20900

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of SAML token signature. A remote attacker can bypass SAML token signature verification and perform man-in-the-middle (MITM) network positioning between vCenter server and the virtual machine.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM DataPower Gateway: before

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_datapower_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7160020

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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