low
2.3
CWE
158
Advisory Published
Updated

CVE-2022-31223

First published: Mon Sep 12 2022(Updated: )

Dell BIOS versions contain an Improper Neutralization of Null Byte vulnerability. A local authenticated administrator user could potentially exploit this vulnerability by sending unexpected null bytes in order to read memory on the system.

Credit: security_alert@emc.com

Affected SoftwareAffected VersionHow to fix
Dell chengming 3900 firmware<1.1.66
Dell chengming 3900
Dell inspiron 14 plus 7420 firmware<1.2.0
Dell inspiron 14 plus 7420
Dell inspiron 16 plus 7620 firmware<1.2.0
Dell inspiron 16 plus 7620
Dell inspiron 3910 firmware<1.1.66
Dell inspiron 3910
Dell inspiron 5320 firmware<1.1.0
Dell inspiron 5320
Dell inspiron 5420 firmware<1.4.1
Dell inspiron 5420
Dell inspiron 5620 firmware<1.4.1
Dell inspiron 5620
Dell inspiron 7420 firmware<1.3.0
Dell inspiron 7420
Dell Inspiron 7620 Firmware<1.3.0
Dell Inspiron 7620
Dell optiplex 3000 firmware<1.1.66
Dell optiplex 3000
Dell optiplex 3000 thin client firmware<1.0.7
Dell Optiplex 3000 Thin Client
Dell optiplex 5000 firmware<1.3.62
Dell optiplex 5000
Dell optiplex 5400 firmware<1.0.13
Dell OptiPlex 5400
Dell optiplex 7000 firmware<1.3.62
Dell optiplex 7000
Dell optiplex 7000 oem firmware<1.3.62
Dell optiplex 7000 oem
Dell optiplex 7400 firmware<1.0.13
Dell optiplex 7400
Dell precision 3460 small form factor firmware<1.3.62
Dell precision 3460 small form factor
Dell Precision 3660 Tower Firmware<1.3.71
Dell Precision 3660 Tower Firmware
Dell precision 5770 firmware<1.6.0
Dell precision 5770
Dell vostro 3710 firmware<1.1.66
Dell vostro 3710
Dell vostro 3910 firmware<1.1.66
Dell vostro 3910
Dell vostro 5320 firmware<1.1.0
Dell vostro 5320
Dell vostro 5620 firmware<1.4.1
Dell vostro 5620
Dell vostro 7620 firmware<1.2.0
Dell vostro 7620
Dell xps 17 9720 firmware<1.6.0
Dell xps 17 9720

Remedy

https://www.dell.com/support/kbdoc/000202196

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this Dell BIOS vulnerability?

    The vulnerability ID for this Dell BIOS vulnerability is CVE-2022-31223.

  • How does the vulnerability in Dell BIOS versions affect the system?

    The vulnerability in Dell BIOS versions allows a local authenticated administrator user to potentially read memory on the system by exploiting an Improper Neutralization of Null Byte vulnerability.

  • What is the severity of CVE-2022-31223?

    The severity of CVE-2022-31223 is low, with a severity value of 2.3.

  • Which Dell BIOS versions are affected by CVE-2022-31223?

    Dell Chengming 3900 Firmware (up to version 1.1.66) and Dell Inspiron 3910 Firmware (up to version 1.1.66) are affected by CVE-2022-31223.

  • How can the CVE-2022-31223 vulnerability be fixed?

    To fix the CVE-2022-31223 vulnerability, Dell recommends updating the BIOS firmware to the latest version available.

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