Multiple vulnerabilities in IBM CICS TX Advanced

Published: 2023-02-27

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-1099 CVE-2018-1098
CWE-ID	CWE-20 CWE-352
Exploitation vector	Network
Public exploit	N/A
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) Improper input validation

EUVDB-ID: #VU11633

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1099

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to bypass security restrictions on the target system.

The weakness exists due to improper validation of DNS hostnames. A remote attacker can send specially crafted requests, bypass security restrictions and gain network access to internal systems.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM CICS TX Advanced: before 11.1.0.0 ifix6

External links

http://www.ibm.com/support/pages/node/6958080

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) Cross-site request forgery

EUVDB-ID: #VU11632