CVE-2024-23968: home flex Buffer Overflow (CVSS 8.8)

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ChargePoint Home Flex charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SrvrToSmSetAutoChnlListMsg function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
chargepoint	home_flex_nema_14-50_plug_firmware	All
chargepoint	home_flex_nema_14-50_plug	All
chargepoint	home_flex_hardwired_firmware	All
chargepoint	home_flex_hardwired	All
chargepoint	home_flex_nema_6-50_plug_firmware	All
chargepoint	home_flex_nema_6-50_plug	All

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-24-1050/

Frequently Asked Questions

What is CVE-2024-23968? +

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of ChargePoint Home Flex charging stations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SrvrToSmSetAutoChnlListMsg function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-23968? +

CVE-2024-23968 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-23968? +

CVE-2024-23968 affects products from chargepoint, specifically: home_flex_hardwired, home_flex_hardwired_firmware, home_flex_nema_14-50_plug, home_flex_nema_14-50_plug_firmware, home_flex_nema_6-50_plug, home_flex_nema_6-50_plug_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23968? +

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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