CVE-2023-34471 Missing Cryptographic Step

What is CVE-2023-34471?

CVE-2023-34471 is a medium-severity vulnerability in AMI MegaRAC_SPx, published on 5 Jul 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

AMI SPx contains a vulnerability in the BMC where a user may cause a missing cryptographic step by generating a hash-based message authentication code (HMAC). A successful exploit of this vulnerability may lead to the loss confidentiality, integrity, and authentication.

Weakness: CWE-325

Which versions are affected by CVE-2023-34471?

It affects 1 product.

Products include Ami Megarac Sp-X.

How do I fix CVE-2023-34471?

No fix has been published for CVE-2023-34471 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-34471 being exploited?

There is no known exploitation of CVE-2023-34471 in the wild and no public exploit code.

Other vulnerabilities in AMI MegaRAC_SPx

• CVE-2024-54085 AMI MegaRAC SPx Authentication Bypass by Spoofing Exploited Critical 10.0
• CVE-2023-3043 Stack-based Buffer Overflow BMC Critical 9.6
• CVE-2023-37293 stack-based buffer overflow Critical 9.6
• CVE-2023-34329 Authentication Bypass via HTTP Header Spoofing Critical 9.1
• CVE-2023-28863 Other in n/a Critical 9.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-296v-w233-rg6j.