CVSS: 5.1EPSS: 0%CPEs: 4EXPL: 0CVE-2023-40551 – Shim: out of bounds read when parsing mz binaries
https://notcve.org/view.php?id=CVE-2023-40551
29 Jan 2024 — A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase. Se encontró un fallo en el formato binario MZ en Shim. Es posible que se produzca una lectura fuera de los límites, lo que provocará un bloqueo o una posible exposición de datos confidenciales durante la fase de inicio del sistema. • https://access.redhat.com/errata/RHSA-2024:1834 • CWE-125: Out-of-bounds Read •
CVSS: 6.2EPSS: 0%CPEs: 4EXPL: 0CVE-2023-40546 – Shim: out-of-bounds read printing error messages
https://notcve.org/view.php?id=CVE-2023-40546
29 Jan 2024 — A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances. Se encontró un fallo en Shim cuando ocurrió un error al crear una nueva variable ESL. Si Shim no puede crear la nueva variable, intenta imprimir un mensaje de error para el usuario; si... • https://access.redhat.com/errata/RHSA-2024:1834 • CWE-476: NULL Pointer Dereference •
CVSS: 6.2EPSS: 0%CPEs: 4EXPL: 0CVE-2023-40549 – Shim: out-of-bounds read in verify_buffer_authenticode() malformed pe file
https://notcve.org/view.php?id=CVE-2023-40549
29 Jan 2024 — An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service. Se encontró un fallo de lectura fuera de los límites en Shim debido a la falta de una verificación de límites adecuada durante la carga de un binario PE. Esta falla permite a un atacante cargar un binario PE manipulado, lo que desencadena el problema y bl... • https://access.redhat.com/errata/RHSA-2024:1834 • CWE-125: Out-of-bounds Read •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2023-40550 – Shim: out-of-bound read in verify_buffer_sbat()
https://notcve.org/view.php?id=CVE-2023-40550
29 Jan 2024 — An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase. Se encontró un fallo de lectura fuera de los límites en Shim cuando intentó validar la información SBAT. Este problema puede exponer datos confidenciales durante la fase de inicio del sistema. • https://access.redhat.com/errata/RHSA-2024:1834 • CWE-125: Out-of-bounds Read •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2024-0841 – Kernel: hugetlbfs: null pointer dereference in hugetlbfs_fill_super function
https://notcve.org/view.php?id=CVE-2024-0841
28 Jan 2024 — A null pointer dereference flaw was found in the hugetlbfs_fill_super function in the Linux kernel hugetlbfs (HugeTLB pages) functionality. This issue may allow a local user to crash the system or potentially escalate their privileges on the system. Se encontró un fallo de desreferencia de puntero null en la función Hugetlbfs_fill_super en la funcionalidad Hugetlbfs (páginas HugeTLB) del kernel de Linux. Este problema puede permitir que un usuario local bloquee el sistema o potencialmente aumente sus privil... • https://access.redhat.com/errata/RHSA-2024:2394 • CWE-476: NULL Pointer Dereference •
CVSS: 7.5EPSS: 0%CPEs: 17EXPL: 0CVE-2023-6291 – Keycloak: redirect_uri validation bypass
https://notcve.org/view.php?id=CVE-2023-6291
26 Jan 2024 — A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users. Se encontró un fallo en la lógica de validación de redirect_uri en Keycloak. Este problema puede permitir la omisión de hosts permitidos explícitamente. • https://access.redhat.com/errata/RHSA-2023:7854 • CWE-601: URL Redirection to Untrusted Site ('Open Redirect') •
CVSS: 7.8EPSS: 2%CPEs: 3EXPL: 0CVE-2023-52356 – Libtiff: segment fault in libtiff in tiffreadrgbatileext() leading to denial of service
https://notcve.org/view.php?id=CVE-2023-52356
25 Jan 2024 — A segment fault (SEGV) flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFReadRGBATileExt() API. This flaw allows a remote attacker to cause a heap-buffer overflow, leading to a denial of service. Se encontró un fallo de falla de segmento (SEGV) en libtiff que podría activarse al pasar un archivo tiff diseñado a la API TIFFReadRGBATileExt(). Este fallo permite que un atacante remoto provoque un desbordamiento de búfer en la región Heap de la memoria, lo que lleva a u... • https://access.redhat.com/security/cve/CVE-2023-52356 • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 1CVE-2023-52355 – Libtiff: tiffrasterscanlinesize64 produce too-big size and could cause oom
https://notcve.org/view.php?id=CVE-2023-52355
25 Jan 2024 — An out-of-memory flaw was found in libtiff that could be triggered by passing a crafted tiff file to the TIFFRasterScanlineSize64() API. This flaw allows a remote attacker to cause a denial of service via a crafted input with a size smaller than 379 KB. Se encontró un fallo de falta de memoria en libtiff que podría activarse al pasar un archivo tiff diseñado a la API TIFFRasterScanlineSize64(). Este fallo permite que un atacante remoto provoque una denegación de servicio a través de una entrada manipulada c... • https://access.redhat.com/security/cve/CVE-2023-52355 • CWE-787: Out-of-bounds Write •
CVSS: 8.3EPSS: 1%CPEs: 4EXPL: 0CVE-2023-40547 – Shim: rce in http boot support may lead to secure boot bypass
https://notcve.org/view.php?id=CVE-2023-40547
25 Jan 2024 — A remote code execution vulnerability was found in Shim. The Shim boot support trusts attacker-controlled values when parsing an HTTP response. This flaw allows an attacker to craft a specific malicious HTTP request, leading to a completely controlled out-of-bounds write primitive and complete system compromise. This flaw is only exploitable during the early boot phase, an attacker needs to perform a Man-in-the-Middle or compromise the boot server to be able to exploit this vulnerability successfully. Se en... • http://www.openwall.com/lists/oss-security/2024/01/26/1 • CWE-346: Origin Validation Error CWE-787: Out-of-bounds Write •
CVSS: 7.1EPSS: 0%CPEs: 3EXPL: 0CVE-2024-0775 – Kernel: use-after-free while changing the mount option in __ext4_remount leading
https://notcve.org/view.php?id=CVE-2024-0775
22 Jan 2024 — A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free. Se encontró una falla de use-after-free en __ext4_remount en fs/ext4/super.c en ext4 en el kernel de Linux. Esta falla permite que un usuario local cause un problema de fuga de información mientras libera los nombres de archivos de cuota antiguos ... • https://access.redhat.com/security/cve/CVE-2024-0775 • CWE-416: Use After Free •