Multiple vulnerabilities in IBM Cloud Pak for Business Automation

Published: 2023-04-28 | Updated: 2024-05-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2023-24998 CVE-2023-20861 CVE-2023-25690 CVE-2023-0482 CVE-2023-25194
CWE-ID	CWE-770 CWE-20 CWE-113 CWE-377 CWE-502
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #3 is available. Public exploit code for vulnerability #5 is available.
Vulnerable software	IBM Cloud Pak for Business Automation Server applications / Other server solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU72427

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-2023-24998

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: Yes

Description

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

The vulnerability exists due to Apache Commons FileUpload does not limit the number of request parts. A remote attacker can initiate a series of uploads and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Business Automation: 18.0.0 - 22.0.2.3

CPE2.3

External links

http://www.ibm.com/support/pages/node/6987085

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) Input validation error

EUVDB-ID: #VU75562

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20861

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 SpEL expressions. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Business Automation: 18.0.0 - 22.0.2.3

CPE2.3

External links

http://www.ibm.com/support/pages/node/6987085

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.

3) HTTP response splitting

EUVDB-ID: #VU73107

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-25690

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correclty process CRLF character sequences in mod_rewrite and mod_proxy. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Business Automation: 18.0.0 - 22.0.2.3

CPE2.3

External links

http://www.ibm.com/support/pages/node/6987085

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.

4) Insecure Temporary File

EUVDB-ID: #VU72075

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0482

CWE-ID: CWE-377 - Insecure Temporary File

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to insecure creation of temporary files. A local user can gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Business Automation: 18.0.0 - 22.0.2.3

CPE2.3

External links

http://www.ibm.com/support/pages/node/6987085

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

5) Deserialization of Untrusted Data

EUVDB-ID: #VU72123

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2023-25194

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: Yes

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to Apache Kafka Connect performs deserialization of data retrieved from the configured LDAP server in "com.sun.security.auth.module.JndiLoginModule". A remote user ability to create/modify connectors on the server with an arbitrary Kafka client SASL JAAS config can configure the server to connect to a malicious LDAP server and execute arbitrary Java code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Business Automation: 18.0.0 - 22.0.2.3

CPE2.3

External links

http://www.ibm.com/support/pages/node/6987085

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.