Multiple vulnerabilities in IBM Cloud Pak System

1) Unprotected Alternate Channel

EUVDB-ID: #VU74468

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-28840

CWE-ID: CWE-420 - Unprotected Alternate Channel

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to unprotected alternate channel within encrypted overlay networks. A remote attacker can inject arbitrary Ethernet frames into the encrypted overlay network and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak System: before 2.3.3.6 iFix 1

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_cloud_pak_system:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7101440

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) Missing Encryption of Sensitive Data

EUVDB-ID: #VU74467

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-28841

CWE-ID: CWE-311 - Missing Encryption of Sensitive Data

Exploit availability: No

Description

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

The vulnerability exists due to missing encryption of sensitive data within the overlay network driver. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak System: before 2.3.3.6 iFix 1

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_cloud_pak_system:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7101440

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.

3) Unprotected Alternate Channel

EUVDB-ID: #VU74469

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-28842

CWE-ID: CWE-420 - Unprotected Alternate Channel

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to unprotected alternate channel within encrypted overlay networks. A remote attacker can inject arbitrary Ethernet frames into the encrypted overlay network by encapsulating them in VXLAN datagrams.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak System: before 2.3.3.6 iFix 1

CPE2.3

• cpe:2.3:a:ibm_corporation:ibm_cloud_pak_system:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7101440

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.