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CVSS: 7.2EPSS: 0%CPEs: 19EXPL: 0

A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media. Se ha encontrado un fallo en los cargadores de arranque de CryptoPro Secure Disk versiones anteriores a 01-06-2022. • https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html https://www.kb.cert.org/vuls/id/309662 https://access.redhat.com/security/cve/CVE-2022-34301 https://bugzilla.redhat.com/show_bug.cgi?id=2120699 • CWE-494: Download of Code Without Integrity Check •

CVSS: 7.5EPSS: 0%CPEs: 19EXPL: 0

A flaw was found in New Horizon Datasys bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media. Se ha encontrado un fallo en los cargadores de arranque de New Horizon Datasys versiones anteriores a 01-06-2022. • https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html https://www.kb.cert.org/vuls/id/309662 https://access.redhat.com/security/cve/CVE-2022-34302 https://bugzilla.redhat.com/show_bug.cgi?id=2120687 • CWE-494: Download of Code Without Integrity Check •

CVSS: 5.5EPSS: 0%CPEs: 21EXPL: 0

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability. Se ha encontrado un fallo de desreferencia de puntero NULL en el subsistema de red inalámbrica IEEE versión 802.15.4 del kernel de Linux en la forma en que el usuario cierra la conexión LR-WPAN. Este fallo permite a un usuario local bloquear el sistema. • https://access.redhat.com/security/cve/CVE-2021-3659 https://bugzilla.redhat.com/show_bug.cgi?id=1975949 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 • CWE-252: Unchecked Return Value CWE-476: NULL Pointer Dereference •

CVSS: 6.9EPSS: 0%CPEs: 40EXPL: 0

A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12. Puede producirse una escritura fuera de límites de la pila durante el manejo de las tablas Huffman en el lector PNG. • https://bugzilla.redhat.com/show_bug.cgi?id=1991686 https://security.gentoo.org/glsa/202209-12 https://security.netapp.com/advisory/ntap-20220930-0001 https://access.redhat.com/security/cve/CVE-2021-3696 • CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 0%CPEs: 39EXPL: 0

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12. Una imagen JPEG diseñada puede conllevar que el lector de JPEG desborde su puntero de datos, permitiendo que los datos controlados por el usuario sean escritos en la pila. • https://bugzilla.redhat.com/show_bug.cgi?id=1991687 https://security.gentoo.org/glsa/202209-12 https://security.netapp.com/advisory/ntap-20220930-0001 https://access.redhat.com/security/cve/CVE-2021-3697 • CWE-787: Out-of-bounds Write •