Dell Optiplex 5260 All-In-One Firmware vulnerabilities

CVE-2022-26858 [MEDIUM] CWE-287 CVE-2022-26858: Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicio Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls.

CVE-2022-26860 [HIGH] CWE-121 CVE-2022-26860: Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could explo Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI to bypass security checks resulting in arbitrary code execution in SMM.

CVE-2022-26861 [HIGH] CWE-1038 CVE-2022-26861: Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated m Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.

CVE-2021-36342 [HIGH] CWE-119 CVE-2021-36342: Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user 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.

CVE-2021-36343 [HIGH] CWE-119 CVE-2021-36343: Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user 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.