CVE-2024-40723: hwatai servisign Stack Overflow (CVSS 4.3)

Description

The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
changingtec	hwatai_servisign	< 1.0.24.0219

References

Other References

https://www.twcert.org.tw/en/cp-139-7974-0562f-2.html https://www.twcert.org.tw/tw/cp-132-7968-ce2ef-1.html

Frequently Asked Questions

What is CVE-2024-40723? +

The specific API in HWATAIServiSign Windows Version from CHANGING Information Technology does not properly validate the length of server-side inputs. When a user visits a spoofed website, unauthenticated remote attackers can cause a stack-based buffer overflow in the HWATAIServiSign, temporarily disrupting its service. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-40723? +

CVE-2024-40723 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-40723? +

CVE-2024-40723 affects products from changingtec, specifically: hwatai_servisign. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-40723? +

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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