A flaw was found in grub2 prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel an attacker would first need to establish access to the system such as gaining physical access obtain the ability to alter a pxe-boot network or have remote access to a networked system with root access. With this access an attacker could then craft a string to cause a buffer overflow by injecting a malicious payload that leads to arbitrary code execution within GRUB. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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DEBIAN-CVE-2020-10713

A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted or modified kernel, an attacker would first need to establish access...

Amazon Kindle, Embedded Devices Open to Code-Execution

Multiple vulnerabilities have been found in Das U-Boot, a universal bootloader commonly used in embedded devices like Amazon Kindles, ARM Chromebooks and networking hardware. The bugs could allow attackers to gain full control of an impacted device’s CPU and modify anything they choose. Researche...

Provisioning Services :Error: "Missing Operating System" During Vdisk Imaging Process

In the process of two-stage imaging, the target device gives an error of "Missing Operating System" after it is configurd to boot from network...

The Tftp service is not running on the PVS server

The TFTP Service isn't running. This service is required for target devices that use the network boot process. Note: If you are using the Boot Device Manager boot partition, this service is not required. If you are not using the network boot process, you can hide this alert...

BSOD Error: "STOP 0x0000007E CVhdMp.sys with Kaspersky antivirus

When booting from the Network, to run the Imaging Wizard or simply to boot from a vDisk, the following Blue Screen message is displayed: STOP 0x0000007E CVhdMp.sys Error: BNIStack failed, network stack could not be initialized...

Citrix Provisioning Services : BSOD "NETWORK_BOOT_DUPLICATE_ADDRESS

Intermittent Blue Screen on Target Devices with an error NETWORKBOOTDUPLICATEADDRESS. The error was present using both PXE & BDM ISO...

SuSE 11.1 Security Update : Xen and libvirt (SAT Patch Number 5796)

This collective update 2012/02 for Xen provides fixes for the following reports : Xen : - 740165: Fix heap overflow in e1000 device emulation applicable to Xen qemu - CVE-2012-0029 - 739585: Xen block-attach fails after repeated attach/detach - 727515: Fragmented packets hang network boot of HVM...

Fedora Update for cobbler FEDORA-2008-9745

Check for the Version of cobbler OpenVAS Vulnerability Test Fedora Update for cobbler FEDORA-2008-9745 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...

Fedora Update for cobbler FEDORA-2008-9723

Check for the Version of cobbler OpenVAS Vulnerability Test Fedora Update for cobbler FEDORA-2008-9723 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...

Fedora Update for cobbler FEDORA-2008-10000

Check for the Version of cobbler OpenVAS Vulnerability Test Fedora Update for cobbler FEDORA-2008-10000 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...

[SECURITY] Fedora 10 Update: cobbler-1.2.9-1.fc10

Cobbler is a network boot and update server. Cobbler supports PXE, provisioning virtualized images, and reinstalling existing Linux machines. The last two modes require a helper tool called 'koan' that integrates with cobbler. Cobbler's advanced features include importing distributions from DVDs...

[SECURITY] Fedora 9 Update: cobbler-1.2.9-1.fc9

Cobbler is a network boot and update server. Cobbler supports PXE, provisioning virtualized images, and reinstalling existing Linux machines. The last two modes require a helper tool called 'koan' that integrates with cobbler. Cobbler's advanced features include importing distributions from DVDs...

[SECURITY] Fedora 8 Update: cobbler-1.2.9-1.fc8

Cobbler is a network boot and update server. Cobbler supports PXE, provisioning virtualized images, and reinstalling existing Linux machines. The last two modes require a helper tool called 'koan' that integrates with cobbler. Cobbler's advanced features include importing distributions from DVDs...