CVE-2023-31305: Weak RNG (CVSS 1.9)

Description

Generation of weak and predictable Initialization Vector (IV) in PMFW (Power Management Firmware) may allow an attacker with privileges to reuse IV values to reverse-engineer debug data, potentially resulting in information disclosure.

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CVSS v3.1 Score

1.9

LOW

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-338 CWE-338

References

Other References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html

Frequently Asked Questions

What is CVE-2023-31305? +

Generation of weak and predictable Initialization Vector (IV) in PMFW (Power Management Firmware) may allow an attacker with privileges to reuse IV values to reverse-engineer debug data, potentially resulting in information disclosure. It has a CVSS v3.1 base score of 1.9 (LOW).

How severe is CVE-2023-31305? +

CVE-2023-31305 has a CVSS v3.1 score of 1.9 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2023-31305? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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