CVE-2024-23929: dmh-wt7600nex Auth Bypass (CVSS 7.3)

Description

This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Pioneer DMH-WT7600NEX devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the telematics functionality. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

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CVSS v3.1 Score

7.3

HIGH

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

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
pioneer	dmh-wt7600nex_firmware	All
pioneer	dmh-wt7600nex	All

References

Other References

https://jpn.pioneer/ja/car/dl/dmh-sz700_sf700/ https://www.zerodayinitiative.com/advisories/ZDI-24-1044/

Frequently Asked Questions

What is CVE-2024-23929? +

This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Pioneer DMH-WT7600NEX devices. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the telematics functionality. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-23929? +

CVE-2024-23929 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-23929? +

CVE-2024-23929 affects products from pioneer, specifically: dmh-wt7600nex, dmh-wt7600nex_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23929? +

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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