8.8
CWE
134 120
Advisory Published
Updated

CVE-2019-5143

First published: Tue Feb 25 2020(Updated: )

An exploitable format string vulnerability exists in the iw_console conio_writestr functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
Moxa AWK-3131A firmware=1.13
Moxa AWK-3131A

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Frequently Asked Questions

  • What is CVE-2019-5143?

    CVE-2019-5143 is a format string vulnerability found in the iw_console conio_writestr functionality of the Moxa AWK-3131A firmware version 1.13.

  • How severe is CVE-2019-5143?

    CVE-2019-5143 has a severity rating of 8.8, which is considered high.

  • How does CVE-2019-5143 affect Moxa AWK-3131A firmware version 1.13?

    CVE-2019-5143 can result in remote code execution due to an overflow of the time server buffer.

  • Is Moxa AWK-3131A firmware version 1.13 the only affected software?

    Yes, Moxa AWK-3131A firmware version 1.13 is the only affected software.

  • How can I fix CVE-2019-5143?

    To fix CVE-2019-5143, it is recommended to update to a patched version of the Moxa AWK-3131A firmware.

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