Multiple vulnerabilities in IBM CICS TX Advanced

Published: 2022-06-16 | Updated: 2023-08-02

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-25031 CVE-2021-46708
CWE-ID	CWE-20 CWE-1021
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	IBM CICS TX Advanced Universal components / Libraries / Software for developers
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU64011

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-25031

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim into opening a specially crafted URL to display remote OpenAPI definitions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM CICS TX Advanced: 10.1 - 11.1

External links

http://www.ibm.com/support/pages/node/6595171

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

2) Improper Restriction of Rendered UI Layers or Frames

EUVDB-ID: #VU64013

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46708

CWE-ID: CWE-1021 - Improper Restriction of Rendered UI Layers or Frames

Exploit availability: No