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CVE-2023-22098 is an easily exploitable vulnerability in the Core component of Oracle VM VirtualBox affecting 7.0.x releases prior to 7.0.12. Exploitation requires a high-privileged attacker with logon access to the infrastructure where VirtualBox executes. Successful exploitation can compromise Oracle VM VirtualBox and, because the issue has scope change, may significantly affect additional products or components beyond the vulnerable VirtualBox security boundary. Oracle rates the issue with CVSS 3.1 vector AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H, indicating low attack complexity, no user interaction requirement, and high impact to confidentiality, integrity, and availability.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept (PoC) exploit for CVE-2023-22098, a VirtualBox guest-to-host escape vulnerability discovered in the virtio-net device implementation. The exploit is implemented as a Linux kernel module (exploit.c) and is built using the provided Makefile. The README.md provides background and credits, as well as a link to a detailed blog post. The main exploit logic is in exploit.c, which defines a custom virtio-net driver. The exploit leverages out-of-bounds writes in the virtio-net control queue to manipulate kernel memory, construct a ROP chain, and ultimately achieve code execution on the host from a guest VM. The exploit is highly targeted, requiring VirtualBox 7.0.10 r158379 and a guest using the virtio-net device. No network endpoints or external IPs are hardcoded; the exploit operates entirely within the context of the host and guest VM interaction via the virtio-net device. The repository structure is straightforward: - exploit.c: The main exploit code (Linux kernel module) - Makefile: For building the kernel module - README.md: Documentation and background This exploit is a PoC and demonstrates the vulnerability, but does not include a weaponized or easily customizable payload.
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