QEMU < 9.0.0 Multiple Vulnerabilities

medium Nessus Plugin ID 200136

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Synopsis

The remote host has virtualization software installed that is affected by multiple vulnerabilities.

Description

The version of QEMU installed on the remote Windows host is prior to 9.0.0 and therefore vulnerable to the following:

- A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to crash the QEMU process on the host, resulting in a denial of service or allow arbitrary code execution within the context of the QEMU process on the host. (CVE-2024-3446)

- A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory and send it to the wire, causing an information leak. (CVE-2023-6693)

- A flaw was found in QEMU. An assertion failure was present in the update_sctp_checksum() function in hw/net/net_tx_pkt.c when trying to calculate the checksum of a short-sized fragmented packet. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition. (CVE-2024-3567)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to QEMU 9.0.0 or later.

Plugin Details

Severity: Medium

ID: 200136

File Name: qemu_win_9_0_0.nasl

Version: 1.5

Type: local

Agent: windows

Family: Windows

Published: 6/6/2024

Updated: 7/12/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2024-3446

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2023-6693

Vulnerability Information

CPE: cpe:/a:qemu:qemu

Required KB Items: installed_sw/QEMU

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/4/2024

Vulnerability Publication Date: 4/4/2024

Reference Information

CVE: CVE-2023-6693, CVE-2024-24474, CVE-2024-3446, CVE-2024-3447, CVE-2024-3567, CVE-2024-4693

IAVB: 2024-B-0070-S

Detections

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