Multiple vulnerabilities in IBM Power Hardware Management Console (HMC)



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-46329
CVE-2023-20592
CWE-ID CWE-693
CWE-758
Exploitation vector Local
Public exploit N/A
Vulnerable software
 IBM Power Hardware Management Console (HMC)
Server applications / Other server solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Protection Mechanism Failure

EUVDB-ID: #VU79525

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-46329

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to insufficient implementation of security measures. A local user can bypass implemented security restrictions and elevate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Power Hardware Management Console (HMC): before 10.2.1040.0 SP3

CPE2.3 External links

https://www.ibm.com/support/pages/node/7178944


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.

2) Reliance on undefined behavior

EUVDB-ID: #VU84028

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-20592

CWE-ID: CWE-758 - Reliance on Undefined, Unspecified, or Implementation-Defined Behavior

Exploit availability: No

Description

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

The vulnerability exists due to unexpected behavior of the INVD instruction in some AMD CPUs. A malicious hypervisor can affect cache line write-back behavior of the CPU and modify guest virtual machine (VM) memory.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Power Hardware Management Console (HMC): before 10.2.1040.0 SP3

CPE2.3 External links

https://www.ibm.com/support/pages/node/7178944


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.



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