Multiple vulnerabilities in IBM MessageGateway

Published: 2022-09-13

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-2388 CVE-2021-2369
CWE-ID	CWE-20 CWE-347
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	IBM IoT MessageSight Server applications / Other server solutions IBM WIoTP MessageGateway Server applications / Other server solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU55057

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-2388

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Hotspot component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM IoT MessageSight: 2.0.0.2 - 5.0.0.0

IBM WIoTP MessageGateway: 5.0.0.1

CPE2.3

External links

https://www.ibm.com/blogs/psirt/security-bulletin-multiple-vulnerabilities-in-ibm-java-runtime-affect-ibm-messagegateway-3/
https://www.ibm.com/support/pages/node/6491135

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.

2) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU55058

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-2369

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature