QID 590994

Date Published: 2022-08-26

QID 590994: WAGO PFC100/200 Web-Based Management (WBM) Authentication Timing Information Disclosure Vulnerability (TALOS-2019-0924)

AFFECTED PRODUCTS
WAGO PFC200 Firmware version 03.00.39(12) WAGO PFC200 Firmware version 03.01.07(13) WAGO PFC100 Firmware version 03.00.39(12)
Based on inspection of various firmware versions, this vulnerability appears to impact all versions from the current and going back to at least 10 and likely earlier.

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of using passive scanning

An exploitable timing discrepancy vulnerability exists in the authentication functionality of the Web-Based Management (WBM) web application on WAGO PFC100/200 controllers. The WBM application makes use of the PHP crypt() function which can be exploited to disclose hashed user credentials.

  • CVSS V3 rated as Medium - 5.3 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section TALOS-2019-0924 for affected packages and patching details.

    Vendor References

    CVEs related to QID 590994

    CVE-2019-5135 |
    Software Advisories
    Advisory ID Software Component Link
    https://talosintelligence.com/vulnerability_reports/TALOS-2019-0924 URL Logo talosintelligence.com/vulnerability_reports/TALOS-2019-0924
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