AZL-35277 CVE-2023-40550 affecting package shim-unsigned-x64 for versions less than 15.8-3

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...

AZL-33984 CVE-2023-40546 affecting package shim-unsigned-x64 for versions less than 15.8-1

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 cras...

AZL-35273 CVE-2023-40549 affecting package shim-unsigned-x64 for versions less than 15.8-3

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...

AZL-35265 CVE-2023-40550 affecting package shim-unsigned-aarch64 for versions less than 15.8-3

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...

AZL-34094 CVE-2023-40550 affecting package shim-unsigned-x64 for versions less than 15.8-1

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...

AZL-34095 CVE-2023-40549 affecting package shim-unsigned-x64 for versions less than 15.8-1

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...

AZL-34093 CVE-2023-40548 affecting package shim-unsigned-x64 for versions less than 15.8-1

A buffer overflow was found in Shim in the 32-bit system. The overflow happens due to an addition operation involving a user-controlled value parsed from the PE binary being used by Shim. This value is further used for memory allocation operations, leading to a heap-based buffer overflow. This fl...

AZL-35267 CVE-2023-40547 affecting package shim-unsigned-aarch64 for versions less than 15.8-3

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...

AZL-35278 CVE-2023-40547 affecting package shim-unsigned-x64 for versions less than 15.8-3

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...

AZL-33895 CVE-2023-40547 affecting package shim-unsigned-x64 for versions less than 15.8-1

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...

AZL-41063 CVE-2022-28737 affecting package shim-unsigned-x64 for versions less than 15.8-3

There's a possible overflow in handleimage when shim tries to load and execute crafted EFI executables; The handleimage function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code...

AZL-40910 CVE-2022-28737 affecting package shim-unsigned-aarch64 for versions less than 15.8-3

There's a possible overflow in handleimage when shim tries to load and execute crafted EFI executables; The handleimage function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code...

AlmaLinux 9 : grub2, mokutil, shim, and shim-unsigned-x64 (ALSA-2022:5099)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2022:5099 advisory. Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number. %NASLMINLEVEL 80900 C...

Fedora: Security Advisory for shim-unsigned-aarch64 (FEDORA-2022-98830efc68)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for shim-unsigned-x64 (FEDORA-2022-98830efc68)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 35 Update: shim-unsigned-x64-15.6-1

Initial UEFI bootloader that handles chaining to a trusted full bootloader under secure boot environments...

[SECURITY] Fedora 35 Update: shim-unsigned-aarch64-15.6-1

Initial UEFI bootloader that handles chaining to a trusted full bootloader under secure boot environments...

new packages: shim-unsigned-x64

An update is available for shim-unsigned-x64. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky...

new packages: shim-unsigned-aarch64

An update is available for shim-unsigned-aarch64. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the...

AZL-40833 CVE-2019-14584 affecting package shim-unsigned-aarch64 for versions less than 15.8-3

Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access...