Multiple vulnerabilities in IBM Cloud Pak System

Published: 2024-01-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-26115 CVE-2023-26155
CWE-ID	CWE-1333
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	IBM Cloud Pak System Server applications / Server solutions for antivurus protection
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Inefficient regular expression complexity

EUVDB-ID: #VU79799

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-2023-26115

CWE-ID: CWE-1333 - Inefficient Regular Expression Complexity

Exploit availability: No

Description

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

The vulnerability exists due to insufficient input validation when processing untrusted input with a regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak System: before 2.3.3.7 iFix 01

External links

http://www.ibm.com/support/pages/node/7101427

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Inefficient regular expression complexity

EUVDB-ID: #VU85293

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-26155