CVE-2023-40238
5.5 · MEDIUMOverview
CVE-2023-40238 is a medium-severity vulnerability affecting fujitsu esprimo_d556\/2_firmware. It was published on December 7, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A LogoFAIL issue was discovered in BmpDecoderDxe in Insyde InsydeH2O with kernel 5.2 before 05.28.47, 5.3 before 05.37.47, 5.4 before 05.45.47, 5.5 before 05.53.47, and 5.6 before 05.60.47 for certain Lenovo devices. Image parsing of crafted BMP logo files can copy data to a specific address during the DXE phase of UEFI execution. This occurs because of an integer signedness error involving PixelHeight and PixelWidth during RLE4/RLE8 compression.
Remediation
Check the references section for vendor advisories and patches from fujitsu. Update esprimo_d556\/2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| fujitsu | esprimo_d556\/2_firmware | >= 0, < 1.35.0 | Affected |
| fujitsu | esprimo_d6011_firmware | >= 0, < 1.31.0 | Affected |
| fujitsu | esprimo_d6012_firmware | >= 0, < 3.08.0 | Affected |
| fujitsu | esprimo_d7010_firmware | >= 0, < 1.64.0 | Affected |
| fujitsu | esprimo_d7010\/8_firmware | >= 0, < 1.64.0 | Affected |
| fujitsu | esprimo_d7011_firmware | >= 0, < 1.31.0 | Affected |
| fujitsu | esprimo_d7012_firmware | >= 0, < 3.08.0 | Affected |
| fujitsu | esprimo_d7013_firmware | >= 0, < 3.08.0 | Affected |
| fujitsu | esprimo_d738_firmware | >= 0, < 1.38.0 | Affected |
| fujitsu | esprimo_d757_firmware | >= 0, < 1.35.0 | Affected |
References
Frequently Asked Questions
What is CVE-2023-40238?
CVE-2023-40238 is a medium-severity vulnerability affecting fujitsu esprimo_d556\/2_firmware. It was published on December 7, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2023-40238?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-40238?
Check the references section for vendor advisories and patches from fujitsu. Update esprimo_d556\/2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-40238?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-40238 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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