Generation of incorrect security tokens in IBM Financial Transaction Manager for SWIFT Services for Multiplatforms

1) Generation of incorrect security tokens

EUVDB-ID: #VU84777

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-49880

CWE-ID: CWE-1270 - Generation of Incorrect Security Tokens

Exploit availability: No

Description

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

The vulnerability exists due to usage of an insecure token for the sending address and the message type of FIN messages in the Message Entry and Repair (MER) facility. A remote attacker can guess address and message type and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Financial Transaction Manager for SWIFT Services: before 3.2.4.11

External links

http://www.ibm.com/support/pages/node/7101167
http://exchange.xforce.ibmcloud.com/vulnerabilities/273183

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.