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Vulnerability DatabaseCVE-2020-2907

CVE-2020-2907: 
VirtualBox vulnerability analysis and mitigation

Overview

CVE-2020-2907 is a type confusion vulnerability discovered in Oracle VirtualBox's SVGA rendering component. The vulnerability was disclosed and patched in Oracle's April 2020 Critical Patch Update (Oracle CPU). It affects Oracle VM VirtualBox versions prior to 5.2.40, prior to 6.0.20, and prior to 6.1.6.

Technical details

The vulnerability exists within the SVGA rendering commands SVGA_3D_CMD_SETRENDERTARGET and SVGA_3D_CMD_DRAW_PRIMITIVES. The issue stems from lack of proper validation of user-supplied data, which can result in a type confusion condition (ZDI Advisory). The vulnerability has been assigned a CVSS v3.0 base score of 7.5 (AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H), indicating high severity with local access required (ZDI Advisory).

Impact

A successful exploit could allow an attacker to escalate privileges and execute arbitrary code in the context of the hypervisor, potentially compromising the host system (ZDI Advisory).

Mitigation and workarounds

Oracle has released patches to address this vulnerability in VirtualBox versions 5.2.40, 6.0.20, and 6.1.6. Users are advised to upgrade to these or later versions (Oracle CPU). The vulnerability was fixed as part of Oracle's April 2020 Critical Patch Update.

Additional resources

Source: This report was generated using AI

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