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Out-of-bounds Read Affecting qemu package, versions <1:3.1+dfsg-8+deb10u8

0.0
medium

Snyk CVSS

    Attack Complexity High
    Privileges Required High
    Scope Changed

    Threat Intelligence

    EPSS 0.05% (16th percentile)
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NVD
5 medium
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SUSE
5 medium
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Red Hat
5 medium

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  • Snyk ID SNYK-DEBIAN10-QEMU-608467
  • published 25 Aug 2020
  • disclosed 31 Aug 2020
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Introduced: 25 Aug 2020

CVE-2020-14364 Open this link in a new tab
CWE-125 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:10 qemu to version 1:3.1+dfsg-8+deb10u8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.

References