CVE-2023-53740: sft dab 015\/c Auth Bypass — Exploit

Description

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without providing the current credentials. Attackers can exploit the userManager.cgx endpoint by sending a crafted JSON request with a new MD5-hashed password to directly modify the admin account.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
dbbroadcast	sft_dab_015\/c_firmware	All
dbbroadcast	sft_dab_015\/c	All
dbbroadcast	sft_dab_050\/c_firmware	All
dbbroadcast	sft_dab_050\/c	All
dbbroadcast	sft_dab_150\/c_firmware	All
dbbroadcast	sft_dab_150\/c	All
dbbroadcast	sft_dab_300\/c_firmware	All
dbbroadcast	sft_dab_300\/c	All
dbbroadcast	sft_dab_600\/c_firmware	All
dbbroadcast	sft_dab_600\/c	All

References

Exploits

https://www.exploit-db.com/exploits/51458 https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.php https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5774.php

Other References

https://www.dbbroadcast.com https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air/ https://www.screen.it https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-admin-password-change

Frequently Asked Questions

What is CVE-2023-53740? +

Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to change the admin password without providing the current credentials. Attackers can exploit the userManager.cgx endpoint by sending a crafted JSON request with a new MD5-hashed password to directly modify the admin account. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-53740? +

CVE-2023-53740 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-53740? +

CVE-2023-53740 affects products from dbbroadcast, specifically: sft_dab_015\/c, sft_dab_015\/c_firmware, sft_dab_050\/c, sft_dab_050\/c_firmware, sft_dab_150\/c, sft_dab_150\/c_firmware, sft_dab_300\/c, sft_dab_300\/c_firmware, sft_dab_600\/c, sft_dab_600\/c_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-53740? +

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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