QEMU Security Vulnerabilities

QEMU Quick Emulator is a set of simulation processor software by Fabrice Bellard, a French individual developer. The software is fast and cross-platform. A security vulnerability exists in QEMU, which stems from a stack-based buffer overflow in virtio-net that occurs when the virtionetflushtx...

PT-2023-35508 · Oracle · Virtualbox

Name of the Vulnerable Software and Affected Versions: VirtualBox versions prior to 7.0.10 Description: This issue affects VirtualBox, a virtualization software. The problem is related to several bugs and improvements in the software, including fixes for the VMM, GUI, TPM, and 3D graphics. There ...

The vulnerability of the Core component of the Oracle VM VirtualBox software allows a hacker to execute arbitrary code.

The vulnerability of the Core component of the Oracle VM VirtualBox virtualization software relates to reading data beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

QEMU: VNC: integer underflow in vnc_client_cut_text_ext leads to CPU exhaustion

An integer underflow issue was found in the QEMU built-in VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service...

SUSE CVE-2008-2004

The driveinit function in QEMU 0.9.1 determines the format of a raw disk image based on the header, which allows local guest users to read arbitrary files on the host by modifying the header to identify a different format, which is used when the guest is restarted...

Oracle VM VirtualBox 安全漏洞

A security vulnerability exists in Oracle VM VirtualBox, a virtual machine management software from Oracle Corporation. A low privilege attacker can compromise Oracle VM VirtualBox by logging into the infrastructure where Oracle VM VirtualBox is executing...

GuLoader Malware Utilizing New Techniques to Evade Security Software

Cybersecurity researchers have exposed a wide variety of techniques adopted by an advanced malware downloader called GuLoader to evade security software. "New shellcode anti-analysis technique attempts to thwart researchers and hostile environments by scanning entire process memory for any virtua...

New Malware Families Found Targeting VMware ESXi Hypervisors

Threat actors have been found deploying never-before-seen post-compromise implants in VMware's virtualization software to seize control of infected systems and evade detection. Google's Mandiant threat intelligence division referred to it as a "novel malware ecosystem" that impacts VMware ESXi,...

Mystery Hackers Are ‘Hyperjacking’ Targets for Insidious Spying

For decades, security researchers warned about techniques for hijacking virtualization software. Now one group has put them into practice...

Researchers Detail Privilege Escalation Bugs Reported in Oracle VirtualBox

A now-patched vulnerability affecting Oracle VM VirtualBox could be potentially exploited by an adversary to compromise the hypervisor and cause a denial-of-service DoS condition. "Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM...

Intel HAXM 资源管理错误漏洞

Intel HAXM Intel Hardware Accelerated Execution Manager is a cross-platform hardware-assisted virtualization engine hypervisor from Intel Corporation that is widely used as a gas pedal for Android Emulator and QEMU. Intel HAXM suffers from a resource management error vulnerability, which arises...

PT-2021-2769 · Oracle +2 · Virtualbox +2

Name of the Vulnerable Software and Affected Versions: Oracle VM VirtualBox versions prior to 6.1.20 Description: The issue is related to insufficient input validation in the Core component of Oracle VM VirtualBox, allowing a high-privileged attacker with logon to the infrastructure to compromise...

Oracle VM VirtualBox 输入验证错误漏洞

Oracle VM VirtualBox is a virtual machine management software from Oracle. Oracle VM VirtualBox suffers from an input validation error vulnerability that stems from an input validation error in the core components of Oracle VM VirtualBox. No detailed vulnerability details are provided at this tim...

Oracle VM VirtualBox 输入验证错误漏洞

Oracle VM VirtualBox is a virtual machine management software from Oracle. Oracle VM VirtualBox suffers from an input validation error vulnerability that stems from an input validation error in the core components of Oracle VM VirtualBox. No detailed vulnerability details are provided at this tim...

SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1240-1)

This update for qemu fixes the following issues : Fix OOB access in sm501 device emulation CVE-2020-12829, bsc1172385 Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation CVE-2020-13362 bsc1172383 Fix use-after-free in usb xhci packet handling CVE-2020-25723, bsc1178934 Fix use-after-free...

USN-4467-3 qemu regression

USN-4467-1 fixed vulnerabilities in QEMU. The fix for CVE-2020-13754 introduced a regression in certain environments. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko discovered that the...

Oracle VM VirtualBox Access Control Error Vulnerability (CNVD-2021-07527)

Oracle VM VirtualBox is a cross-platform virtualization software for x86 systems. A security vulnerability exists in the Core component of Oracle VM VirtualBox versions prior to 6.1.18. An attacker could exploit the vulnerability to affect the integrity...

The vulnerability of the virtualization management software for libvirt, related to an error on the opennebula nodes—where calling this function causes an out-of-buffer operation—allows a malicious actor to trigger a service failure.

The vulnerability of the libvirt virtualization management software is related to an error in the opennebula nodes. When this node is called, an out-of-buffer operation error occurs. Exploiting this vulnerability can allow a perpetrator to cause a service failure...

QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()

A heap buffer overflow issue was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the tcpemu routine while emulating IRC and other protocols. An attacker could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential...

DEBIAN-CVE-2020-7039

tcpemu in tcpsubr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMUIRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code...