Oracle VM VirtualBox 5.1.x < 5.1.32 / 5.2.x < 5.2.6 (January 2018 CPU)

The version of Oracle VM VirtualBox running on the remote host is 5.1.x prior to 5.1.32 or 5.2.x prior to 5.2.6. It is, therefore, affected by multiple vulnerabilities as noted in the January 2018 Critical Patch Update advisory. Please consult the CVRF details for the applicable CVEs for addition...

Linux kernel denial of service vulnerability (CNVD-2018-03168)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A denial of service vulnerability exists in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel. A...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.13 and fixes several security issues. The most important fix in this update is for the security issue named "Meltdown" that is fixed in theese kernels by enabling kernel Page Table Isolation KTPI. Note that according to AMD, this issue does not...

Failed to open VM attachment

Challenge Veeam ONE generates "Failed to open VM attachment" alarm. Cause Veeam ONE triggers " Failed to open VM attachment" alarm when the following Windows events are registered on the Hyper-V host: 12290 Microsoft-Windows-Hyper-V-Worker 12290 Microsoft-Windows-Hyper-V-SynthStor 12290...

SA161: Local Information Disclosure Due to Meltdown and Spectre Attacks

SUMMARY Symantec Network Protection products, which run on an affected CPU chipset and execute arbitrary code from external sources, are susceptible to several information disclosure vulnerabilities aka Meltdown and Spectre attacks. A remote attacker, with the ability to execute arbitrary code...

Product update: Virtuozzo 7.0 Update 6 Hotfix 2 (7.0.6-695)

The Hotfix 2 for Virtuozzo 7.0 Update 6 provides a new feature as well as stability and usability bug fixes. Vulnerability id: PSBM-65549 Resource alerts could be shown in Virtuozzo Automator for Windows VMs with enough resources. Vulnerability id: PSBM-78460 Container live migration could fail d...

Product update: Virtuozzo Automator 7.0 Update 2 Hotfix 4 (VA MN: 7.0.2-545, VA Agent: 7.0.2-278)

This hotfix for Virtuozzo Automator 7.0.2 provides new features as well as stability and usability bug fixes. Vulnerability id: PVA-35054 VM could not be shown in the Control Center. Vulnerability id: PVA-37072 XML API returned empty list of VM templates after restart of the prl-disp service...

CVE-2017-4941

VMware ESXi 6.0 before ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG, Workstation 12.x before 12.5.8, and Fusion 8.x before 8.5.9 contain a vulnerability that could allow an authenticated VNC session to cause a stack overflow via a specific set of VNC packets. Successful exploitation of this iss...

Product update: Virtuozzo 7.0 Update 6 Hotfix 1 (7.0.6-678)

The Hotfix 1 for Virtuozzo 7.0 Update 6 provides stability and usability bug fixes. Vulnerability id: PSBM-72443 Migration of a VM with two HDDs from Virtuozzo 6 to 7 could fail due to a libvirt conversion failure. Vulnerability id: PSBM-77096 vstorage-mount could crash under certain conditions d...

Check Point Gaia Operating System VM escape and code execution (sk106060)(VENOM)

The remote host is running a version of Gaia OS which is affected by a vulnerability in the virtual floppy drive code which may allow an attacker to escape a virtualized environment and obtain code execution on the underlying host. C Tenable Network Security, Inc. include'compat.inc'; if...

Update Rollup 14 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 14 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 14 for Microsoft System Center 2012 R2 Virtual Machine Manager. There are two updates available for Virtual Machine Manager, one for the Virtual Machin...

QEMU - NBD Server Long Export Name Stack Buffer Overflow

Introduced in commit f37708f6b8 2.10. The NBD spec says a client can request export names up to 4096 bytes in length, even though they should not expect success on names longer than 256. However, qemu hard-codes the limit of 256, and fails to filter out a client that probes for a longer name; the...

VMs Freezing or Poor Performance (xenvbd event ID 129)

VMs are encountering hang or poor performance issue related with disk I/O. xenvbd event ID 129 . From VM event log: ++++++++++ xenvbd event ID 129 \Device\RaidPort0 reset ++++++++++ - From XenServer messages log: ++++++++++ messages.1: Mar 8 14:11:35 MXVDIS01X tap-ctl1481: tap-err:tapctlreadraw:...

USN-3488-1: Linux kernel (Azure) vulnerability

It was discovered that the KVM subsystem in the Linux kernel did not properly keep track of nested levels in guest page tables. A local attacker in a guest VM could use this to cause a denial of service host OS crash or possibly execute arbitrary code in the host OS...

CVE-2017-4938

VMware Workstation 12.x before 12.5.8 and Fusion 8.x before 8.5.9 contain a guest RPC NULL pointer dereference vulnerability. Successful exploitation of this issue may allow attackers with normal user privileges to crash their VMs...

How to solve the Malwarebytes CrackMe: a step-by-step tutorial

The topic of this post is a Malwarebytes CrackMe—an exercise in malware analysis that I recently created. First, the challenge was created to serve internal purposes, but then it was released to the community on Twitter and triggered a lot of positive response. Thanks to all of you who sent in yo...

The vulnerability of the ChakraCore JavaScript script handler lies in the lack of protection for service data, allowing attackers to execute arbitrary code.

The vulnerability of the JavaScript ChakraCore virtual machine’s kernel is related to the lack of protection for service data. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

How to collect logs for cases involving Oracle

Challenge An issue with backing up of the Oracle database server and/or removal of Oracle archived logs is suspected. Veeam Technical Support would like to gather information from your servers and databases to investigate this issue. Additional logs must be gathered manually from the guest OS on...

Ubuntu 17.04 : linux, linux-raspi2 vulnerabilities (USN-3468-1)

It was discovered that the KVM subsystem in the Linux kernel did not properly bound guest IRQs. A local attacker in a guest VM could use this to cause a denial of service host system crash. CVE-2017-1000252 It was discovered that the Flash-Friendly File System f2fs implementation in the Linux...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3469-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3469-2 advisory. USN-3469-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...