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Loytec L-INX Automation Servers Information Disclosure / Cleartext Secrets
Loytec LINX-151 with firmware version 7.2.4 and LINX-212 with firmware version 6.2.4 suffer from file disclosure vulnerabilities that leak secrets as well as issues with stories secrets in the clear.
[+] CVE : CVE-2023-46386, CVE-2023-46387, CVE-2023-46388, CVE-2023-46389 [+] Title : Multiple vulnerabilities in Loytec L-INX Automation Servers[+] Vendor : LOYTEC electronics GmbH[+] Affected Product(s) : LINX-151, Firmware 7.2.4, LINX-212, firmware 6.2.4[+] Affected Components : L-INX Automation Servers[+] Discovery Date : 01-Sep-2021[+] Publication date : 03-Nov-2023[+] Discovered by : Chizuru Toyama of TXOne networks[Vulnerability Description]CVE-2023-46386 : Insecure Permissions'registry.xml' file contains hard-coded clear text credentials for smtp client account. If an attacker succeeds in getting registry.xml file, the email account could be compromised. Password should be encrypted.CVE-2023-46387 : Improper Access Control'/var/lib/lgtw/dpal_config.zml' file is accessible via file download API. 'dpal_config.wbx' which is extracted from 'dpal_config.zml' includessensitive configuration information such as smtp client information. Authentication is required to exploit this vulnerability.http://<IP>:<port>/DT?filename=/var/lib/lgtw/dpal_config.zmlCVE-2023-46388 : Insecure Permissions'dpal_config.wbx' file contains hard-coded clear text credentials for smtp client account. If an attacker succeeds in getting dpal_config.zml file, the email account could be compromised. Password should be encrypted.CVE-2023-46389 : Improper Access Control'/tmp/registry.xml' file is accessible via file download API. 'registry.xml' includes device configuration information which includessensitive information such as smtp client information. Authentication isrequired to exploit this vulnerability.http://<IP>:<port>/DT?filename=/tmp/registry.xml[Timeline]01-Sep-2021 : Vulnerabilities discovered13-Oct-2021 : Trend Micro ZDI (Zero Day Initiative) reported to vendor (no response)07-Oct-2022 : ICS CERT reported to vendor (no response)03-Nov-2023 : Public Disclosure
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CVE-2023-46389: [CVE-2023-46386, CVE-2023-46387, CVE-2023-46388, CVE-2023-46389] Multiple vulnerabilities in Loytec products (3)
LOYTEC electronics GmbH LINX-212 firmware 6.2.4 and LINX-151 Firmware 7.2.4 are vulnerable to Incorrect Access Control via registry.xml file. This vulnerability allows remote attackers to disclose sensitive information on LINX configuration.