CVE-2022-31223

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.

• dell chengming 3900 firmware (< 1.1.66) • dell inspiron 14 plus 7420 firmware (< 1.2.0) • dell inspiron 16 plus 7620 firmware (< 1.2.0) • dell inspiron 3910 firmware (< 1.1.66) • dell inspiron 5320 firmware (< 1.1.0) • dell inspiron 5420 firmware (< 1.4.1) • dell inspiron 5620 firmware (< 1.4.1) • dell inspiron 7420 firmware (< 1.3.0) • dell inspiron 7620 firmware (< 1.3.0) • dell optiplex 3000 firmware (< 1.1.66) • dell optiplex 3000 thin client firmware (< 1.0.7) • dell optiplex 5000 firmware (< 1.3.62) • dell optiplex 5400 firmware (< 1.0.13) • dell optiplex 7000 firmware (< 1.3.62) • dell optiplex 7000 oem firmware (< 1.3.62) • dell optiplex 7400 firmware (< 1.0.13) • dell precision 3460 small form factor firmware (< 1.3.62) • dell precision 3660 tower firmware (< 1.3.71) • dell precision 5770 firmware (< 1.6.0) • dell vostro 3710 firmware (< 1.1.66) • dell vostro 3910 firmware (< 1.1.66) • dell vostro 5320 firmware (< 1.1.0) • dell vostro 5620 firmware (< 1.4.1) • dell vostro 7620 firmware (< 1.2.0) • dell xps 17 9720 firmware (< 1.6.0)