Information Disclosure

cloud-init is vulnerable to Information Disclosure. When a user specified configuration which would generate random passwords for users, cloud-init causes those passwords to be written to the serial console by emitting them on stderr. In the default configuration, any stdout or stderr emitted by...

Diagnosing an unresponsive Citrix Hypervisor server

This article describes how to diagnose an unresponsive XenServer or Citrix Hypervisor server. If you cannot connect to your Citrix Hypervisor server from XenCenter or other orchestration tool, you can use the steps in this article to attempt to regain access to the unresponsive server and gather...

CVE-2020-27174

In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host...

Design/Logic Flaw

In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host...

CVE-2020-27173

In vm-superio before 0.1.1, the serial console FIFO can grow to unlimited memory usage when data is sent to the input source i.e., standard input. This behavior cannot be reproduced from the guest side. When no rate limiting is in place, the host can be subject to memory pressure, impacting all...

CVE-2020-27173

In vm-superio before 0.1.1, the serial console FIFO can grow to unlimited memory usage when data is sent to the input source i.e., standard input. This behavior cannot be reproduced from the guest side. When no rate limiting is in place, the host can be subject to memory pressure, impacting all...

Design/Logic Flaw

In vm-superio before 0.1.1, the serial console FIFO can grow to unlimited memory usage when data is sent to the input source i.e., standard input. This behavior cannot be reproduced from the guest side. When no rate limiting is in place, the host can be subject to memory pressure, impacting all...

How to Reset Password in Veeam Backup for Microsoft Azure Appliance

Purpose This article documents methods to reset the password of the Veeam Backup for Microsoft Azure service account. Solution Reset Password via The Microsoft Azure portal 1. Open the Microsoft Azure portal. 2. Log in using your Microsoft Azure credentials. 3. Select the virtual machine with Vee...

CVE-2020-10263

An issue was discovered on XIAOMI XIAOAI speaker Pro LX06 1.52.4. Attackers can get root shell by accessing the UART interface and then they can i read Wi-Fi SSID or password, ii read the dialogue text files between users and XIAOMI XIAOAI speaker Pro LX06, iii use Text-To-Speech tools pretend...

Product update: Virtuozzo 7.0 Update 13 (7.0.13-298)

The Update 13 for Virtuozzo 7.0 introduces new features and provides stability and usability bug fixes. It also introduces a new kernel 3.10.0-1062.12.1.vz7.131.10. Vulnerability id: PSBM-95072 'pstorage-target' files are left over after successful migrations of VMs on Virtuozzo Storage from...

ZyXEL GS1900 Input Validation Error Vulnerability

ZyXEL GS1900 is a managed switch from ZyXEL Taiwan, China. A security vulnerability exists in the Zyxel GS1900 using firmware prior to version 2.50AAHH.0C0. The vulnerability can be exploited by an attacker to access the password recovery menu via the serial console...

CVE-2019-15804

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50AAHH.0C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the SIGQUIT signal to the CLI application e.g., through CTRL+\ via SSH. The access...

CVE-2019-15804

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50AAHH.0C0. By sending a signal to the CLI process, undocumented functionality is triggered. Specifically, a menu can be triggered by sending the SIGQUIT signal to the CLI application e.g., through CTRL+\ via SSH. The access...

The vulnerability of the built-in software of the “Granite-Navigator-6.18” device is caused by an overflow in the buffer on the stack, allowing a intruder to trigger a service failure.

The vulnerability of the built-in software of the “Granite-Navigator-6.18” device is caused by an overflow in the buffer on the stack. Exploiting this vulnerability can allow a malicious actor to cause a service failure when connecting to the device using a UART adapter the operation of switching...

openSUSE Security Update : qemu (openSUSE-2019-1005)

This update for qemu fixes the following issues : Security issue fixed : - CVE-2018-16847: Fixed an out of bounds r/w buffer access in cmb operations bsc1114529. Non-security issue fixed : - Fixed serial console issue that triggered a qemu-kvm bug bsc1108474. This update was imported from the...

SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2018:4086-1)

This update for qemu fixes the following issues : Security issue fixed : CVE-2018-16847: Fixed an out of bounds r/w buffer access in cmb operations bsc1114529. Non-security issue fixed: Fixed serial console issue in SLES 12 SP2 that triggered a qemu-kvm bug bsc1108474. Note that Tenable Network...

openSUSE Security Update : qemu (openSUSE-2018-1551)

This update for qemu fixes the following issues : Security issue fixed : - CVE-2018-16847: Fixed an out of bounds r/w buffer access in cmb operations bsc1114529. Non-security issue fixed : - Fixed serial console issue that triggered a qemu-kvm bug bsc1108474. This update was imported from the...

Security update for qemu (important)

This update for qemu fixes the following issues: Security issue fixed: - CVE-2018-16847: Fixed an out of bounds r/w buffer access in cmb operations bsc1114529. Non-security issue fixed: - Fixed serial console issue that triggered a qemu-kvm bug bsc1108474. This update was imported from the...

SUSE-SU-2018:4086-1 Security update for qemu

This update for qemu fixes the following issues: Security issue fixed: - CVE-2018-16847: Fixed an out of bounds r/w buffer access in cmb operations bsc1114529. Non-security issue fixed: - Fixed serial console issue in SLES 12 SP2 that triggered a qemu-kvm bug bsc1108474...

Cisco device config dumping

Quick guide to recovering configs from Cisco switches and routers We have recently done work in situations where recovering the Cisco config from one device e.g. an edge switch can give us useful information. This includes: VLANs even for VLANs that are not used on that piece of equipment Which...