CVE-2022-26860
https://notcve.org/view.php?id=CVE-2022-26860
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. Las versiones de Dell BIOS contienen una vulnerabilidad de desbordamiento del búfer en la región stack de la memoria. Un atacante local podría explotar esta vulnerabilidad mediante el envío de entradas maliciosas por medio de SMI para omitir las comprobaciones de seguridad, resultando en una ejecución de código arbitrario en SMM. • https://www.dell.com/support/kbdoc/000202194 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVE-2022-26859
https://notcve.org/view.php?id=CVE-2022-26859
Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM. Dell BIOS contiene una vulnerabilidad de condición de carrera. Un atacante local podría explotar esta vulnerabilidad mediante el envío de entradas maliciosas por medio de SMI para omitir las comprobaciones de seguridad durante el SMM. • https://www.dell.com/support/kbdoc/000202194 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •
CVE-2022-26858
https://notcve.org/view.php?id=CVE-2022-26858
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. Las versiones de Dell BIOS contienen una vulnerabilidad de autenticación inapropiada. Un usuario malicioso autenticado localmente podría explotar esta vulnerabilidad mediante el envío de entradas maliciosas a un SMI con el fin de omitir los controles de seguridad. • https://www.dell.com/support/kbdoc/000202194 • CWE-287: Improper Authentication •
CVE-2020-5324
https://notcve.org/view.php?id=CVE-2020-5324
Dell Client Consumer and Commercial Platforms contain an Arbitrary File Overwrite Vulnerability. The vulnerability is limited to the Dell Firmware Update Utility during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers. Dell Client Consumer and Commercial Platforms, contiene una Vulnerabilidad de Sobrescritura de Archivos Arbitrarios. • https://www.dell.com/support/article/SLN320348 • CWE-59: Improper Link Resolution Before File Access ('Link Following') CWE-427: Uncontrolled Search Path Element •