high
7.5
CWE
20
Advisory Published
Updated

CVE-2022-34393: Input Validation

First published: Wed Jan 18 2023(Updated: )

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Credit: security_alert@emc.com

Affected SoftwareAffected VersionHow to fix
Dell G5 Se 5505 Firmware<1.12.1
Dell G5 Se 5505
Dell Inspiron 27 7775 Firmware<2.17.0
Dell Inspiron 27 7775
Dell Inspiron 3180 Firmware<1.5.0
Dell Inspiron 3180
Dell Inspiron 3185 Firmware<1.5.0
Dell Inspiron 3185
Dell Inspiron 3195 2-in-1 Firmware<1.5.0
Dell Inspiron 3195 2-in-1
Dell Inspiron 3275 Firmware<1.9.1
Dell Inspiron 3275
Dell Inspiron 3475 Firmware<1.9.1
Dell Inspiron 3475
Dell Inspiron 3505 Firmware<1.8.0
Dell Inspiron 3505
Dell Inspiron 3515 Firmware<1.7.0
Dell Inspiron 3515
Dell Inspiron 3585 Firmware<1.9.0
Dell Inspiron 3585
Dell Inspiron 3595 Firmware<1.4.0
Dell Inspiron 3595
Dell Inspiron 3785 Firmware<1.9.0
Dell Inspiron 3785
Dell Inspiron 5405 Firmware<1.8.1
Dell Inspiron 5405
Dell Inspiron 5415 Firmware<1.12.0
Dell Inspiron 5415
Dell Inspiron 5485 Firmware<2.10.1
Dell Inspiron 5485
Dell Inspiron 5485 2-in-1 Firmware<2.10.1
Dell Inspiron 5485 2-in-1
Dell Inspiron 5505 Firmware<1.8.1
Dell Inspiron 5505
Dell Inspiron 5515 Firmware<1.12.0
Dell Inspiron 5515
Dell Inspiron 5585 Firmware<2.10.1
Dell Inspiron 5585
Dell Inspiron 7375 Firmware<1.9.0
Dell Inspiron 7375
Dell Inspiron 7405 2-in-1 Firmware<1.9.1
Dell Inspiron 7405 2-in-1
Dell Inspiron 7415 Firmware<1.12.0
Dell Inspiron 7415
Dell Vostro 3405 Firmware<1.8.0
Dell Vostro 3405
Dell Vostro 3515 Firmware<1.7.0
Dell Vostro 3515
Dell Vostro 5415 Firmware<1.12.0
Dell Vostro 5415
Dell Vostro 5515 Firmware<1.12.0
Dell Vostro 5515

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-34393?

    CVE-2022-34393 is a vulnerability found in Dell BIOS that allows a local authenticated malicious user to gain arbitrary code execution in SMRAM.

  • Who is affected by CVE-2022-34393?

    Dell G5 Se 5505 Firmware (up to version 1.12.1), Dell Inspiron 27 7775 Firmware (up to version 2.17.0), and other Dell models mentioned in the affected software section are affected by CVE-2022-34393.

  • How severe is CVE-2022-34393?

    CVE-2022-34393 has a severity rating of 7.5 (High).

  • How can the CVE-2022-34393 vulnerability be fixed?

    To fix the CVE-2022-34393 vulnerability, users should update their Dell BIOS firmware to the latest version provided by Dell.

  • Where can I find more information about CVE-2022-34393?

    More information about CVE-2022-34393 can be found on the Dell support website at the provided reference link.

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