Multiple vulnerabilities in IBM Integration Bus for z/OS

Published: 2024-04-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-24549 CVE-2024-23672
CWE-ID	CWE-20 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Integration Bus for z/OS Other software / Other software solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU87510

Risk: Medium

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

CVE-ID: CVE-2024-24549

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling HTTP/2 requests. A remote attacker can send specially crafted HTTP/2 requests to the server and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Integration Bus for z/OS : before 10.1.0.3

External links

http://www.ibm.com/support/pages/node/7147535

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) Resource exhaustion

EUVDB-ID: #VU87509