Incorrect authorization in IBM DataPower Gateway

1) Incorrect authorization

EUVDB-ID: #VU62037

Risk: Low

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-23773

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists within cmd/go, which can misinterpret branch names that falsely appear to be version tags. This can lead to  a situation where an attacker can bypass implemented security restrictions and perform restricted actions, e.g. create tags when access was granted to create branches only.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM DataPower Gateway: 10.0.1.0 - 10.0.4.0

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_datapower_gateway:10.0.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_datapower_gateway:10.0.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_datapower_gateway:10.0.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:ibm_corporation:ibm_datapower_gateway:10.0.4.0:*:*:*:*:*:*:*

External links

https://www.ibm.com/blogs/psirt/security-bulletin-potential-module-resolution-error-in-datapower-operator/
https://www.ibm.com/support/pages/node/6596135

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. However, proof of concept for this vulnerability is available.