Multiple Vulnerabilities in IBM Cloud Pak for Multicloud Management



Published: 2021-12-03
Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2021-23994
CVE-2021-23998
CVE-2021-23999
CVE-2021-29946
CWE-ID CWE-787
CWE-277
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		IBM Cloud Pak for Multicloud Management
Client/Desktop applications / Software for system administration

Vendor IBM Corporation

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU52333

Risk: High

CVSSv3.1:

CVE-ID: CVE-2021-23994

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the WebGL framebuffer. A remote attacker can create a specially crafted web page, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Multicloud Management: 2.3.0 - 2.3.20

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-pak-for-multicloud-management-monitoring-has-applied-security-fixes-for-its-use-of-mozilla-firefox/
http://www.ibm.com/support/pages/node/6520784


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Insecure Inherited Permissions

EUVDB-ID: #VU52337

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-23998

CWE-ID: CWE-277 - Insecure inherited permissions

Exploit availability: No

Description

the vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the way HTTP pages inherit a secure lock icon, when navigating from an HTTP page. A remote attacker can create a specially crafted webpage that through a series of complicated navigation will force the browser to display a secure lock icon on an unencrypted HTTP page.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Multicloud Management: 2.3.0 - 2.3.20

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-pak-for-multicloud-management-monitoring-has-applied-security-fixes-for-its-use-of-mozilla-firefox/
http://www.ibm.com/support/pages/node/6520784


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Insecure Inherited Permissions

EUVDB-ID: #VU52338

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-23999

CWE-ID: CWE-277 - Insecure inherited permissions

Exploit availability: No

Description

the vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to the way Firefox handles Blob URLs. If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Multicloud Management: 2.3.0 - 2.3.20

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-pak-for-multicloud-management-monitoring-has-applied-security-fixes-for-its-use-of-mozilla-firefox/
http://www.ibm.com/support/pages/node/6520784


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Input validation error

EUVDB-ID: #VU52346

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-29946

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input. Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Cloud Pak for Multicloud Management: 2.3.0 - 2.3.20

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-cloud-pak-for-multicloud-management-monitoring-has-applied-security-fixes-for-its-use-of-mozilla-firefox/
http://www.ibm.com/support/pages/node/6520784


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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