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CVSS: 3.8EPSS: 0%CPEs: 180EXPL: 0

CVE-2020-3970 – VMware Workstation Shader Bytecode Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

https://notcve.org/view.php?id=CVE-2020-3970

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain an out-of-bounds read vulnerability in the Shader functionality. A malicious actor with non-administrative local access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to crash the virtual machine's vmx process leading to a partial denial of service condition. VMware ESXi (versiones 7.0 anteriores a ESXi_7.0.0-1.20.16321839, versiones 6.7 anteriores a ESXi670-202004101-SG y versiones 6.5 anteriores a ESXi650-202005401-SG), Workstation (versiones 15.x anteriores a 15.5.5) y Fusion (versiones 11.x anteriores a 11.5. 5), contienen una vulnerabilidad de lectura fuera de límites en la funcionalidad Shader. Un actor malicioso con acceso local no administrativo a una máquina virtual con gráficos 3D habilitados puede ser capaz de explotar esta vulnerabilidad para bloquear el proceso vmx de la máquina virtual conllevando a una condición de denegación de servicio parcial This vulnerability allows local attackers to disclose sensitive information on affected installations of VMware Workstation. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the parsing of shader bytecode. • https://www.vmware.com/security/advisories/VMSA-2020-0015.html https://www.zerodayinitiative.com/advisories/ZDI-20-782 • CWE-125: Out-of-bounds Read •

CVSS: 8.2EPSS: 0%CPEs: 180EXPL: 0

CVE-2020-3962 – VMware Workstation SVGA DXInvalidateContext Use-After-Free Privilege Escalation Vulnerability

https://notcve.org/view.php?id=CVE-2020-3962

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain a use-after-free vulnerability in the SVGA device. A malicious actor with local access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. VMware ESXi (versiones 7.0 anteriores a ESXi_7.0.0-1.20.16321839, versiones 6.7 anteriores a ESXi670-202004101-SG y versiones 6.5 anteriores a ESXi650-202005401-SG), Workstation (versiones 15.x anteriores a 15.5.5) y Fusion (versiones 11.x anteriores a 11.5. 5), contienen una vulnerabilidad de uso de la memoria previamente liberada en el dispositivo SVGA. Un actor malicioso con acceso local a una máquina virtual con gráficos 3D habilitados puede ser capaz de explotar esta vulnerabilidad para ejecutar código en el hipervisor desde una máquina virtual This vulnerability allows local attackers to escalate privileges on affected installations of VMware Workstation. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the handling of the SVGA DXInvalidateContext command. • https://www.vmware.com/security/advisories/VMSA-2020-0015.html https://www.zerodayinitiative.com/advisories/ZDI-20-785 • CWE-416: Use After Free •

CVSS: 8.8EPSS: 0%CPEs: 180EXPL: 0

CVE-2020-3969 – VMware Workstation SVGA3D Command Heap Overflow Privilege Escalation Vulnerability

https://notcve.org/view.php?id=CVE-2020-3969

VMware ESXi (7.0 before ESXi_7.0.0-1.20.16321839, 6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), Workstation (15.x before 15.5.5), and Fusion (11.x before 11.5.5) contain an off-by-one heap-overflow vulnerability in the SVGA device. A malicious actor with local access to a virtual machine with 3D graphics enabled may be able to exploit this vulnerability to execute code on the hypervisor from a virtual machine. Additional conditions beyond the attacker's control must be present for exploitation to be possible. VMware ESXi (versiones 7.0 anteriores a ESXi_7.0.0-1.20.16321839, versiones 6.7 anteriores a ESXi670-202004101-SG y versiones 6.5 anteriores a ESXi650-202005401-SG), Workstation (versiones 15.x anteriores a 15.5.5) y Fusion (versiones 11.x anteriores a 11.5. 5), contienen una vulnerabilidad de desbordamiento de pila por un paso en el dispositivo SVGA. Un actor malicioso con acceso local a una máquina virtual con gráficos 3D habilitados puede ser capaz de explotar esta vulnerabilidad para ejecutar código en el hipervisor desde una máquina virtual. • https://www.vmware.com/security/advisories/VMSA-2020-0015.html https://www.zerodayinitiative.com/advisories/ZDI-20-786 • CWE-193: Off-by-one Error •

CVSS: 3.3EPSS: 0%CPEs: 186EXPL: 0

CVE-2020-3959

https://notcve.org/view.php?id=CVE-2020-3959

VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.1.0) and VMware Fusion (11.x before 11.1.0) contain a memory leak vulnerability in the VMCI module. A malicious actor with local non-administrative access to a virtual machine may be able to crash the virtual machine's vmx process leading to a partial denial of service. VMware ESXi (versiones 6.7 anteriores a ESXi670-202004101-SG y versiones 6.5 anteriores a ESXi650-202005401-SG), VMware Workstation (versiones 15.x anteriores a 15.1.0) y VMware Fusion (versiones 11.x anteriores a 11.1.0), contienen una vulnerabilidad de fuga de la memoria en el módulo VMCI. Un agente malicioso con acceso no administrativo local a una máquina virtual puede ser capaz de bloquear el proceso vmx de la máquina virtual, conllevando a una denegación de servicio parcial. • https://www.vmware.com/security/advisories/VMSA-2020-0011.html • CWE-401: Missing Release of Memory after Effective Lifetime •

CVSS: 5.5EPSS: 0%CPEs: 186EXPL: 0

CVE-2020-3958

https://notcve.org/view.php?id=CVE-2020-3958

VMware ESXi (6.7 before ESXi670-202004101-SG and 6.5 before ESXi650-202005401-SG), VMware Workstation (15.x before 15.5.2) and VMware Fusion (11.x before 11.5.2) contain a denial-of-service vulnerability in the shader functionality. Successful exploitation of this issue may allow attackers with non-administrative access to a virtual machine to crash the virtual machine's vmx process leading to a denial of service condition. VMware ESXi (versiones 6.7 anteriores a ESXi670-202004101-SG y versiones 6.5 anteriores a ESXi650-202005401-SG), VMware Workstation (versiones 15.x anteriores a 15.5.2) y VMware Fusion (versiones 11.x anteriores a 11.5.2), contienen una vulnerabilidad de denegación de servicio en la funcionalidad shader. Una explotación con éxito de este problema puede permitir a atacantes con acceso no administrativo a una máquina virtual bloquear el proceso vmx de la máquina virtual, conllevando a una condición de denegación de servicio. • https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0957 https://www.vmware.com/security/advisories/VMSA-2020-0011.html • CWE-617: Reachable Assertion •