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Vulnerability Details : CVE-2020-14364

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.
Publish Date : 2020-08-31 Last Update Date : 2020-11-11
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- CVSS Scores & Vulnerability Types

CVSS Score
4.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute Code
CWE ID 125

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2020:4056: qemu-kvm security update (Important) oval:com.redhat.rhsa:def:20204056 unix
RHSA-2020:4059: virt:rhel security update (Important) oval:com.redhat.rhsa:def:20204059 unix
RHSA-2020:4078: qemu-kvm-ma security update (Important) oval:com.redhat.rhsa:def:20204078 unix
RHSA-2020:4079: qemu-kvm security update (Important) oval:com.redhat.rhsa:def:20204079 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2020-14364

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 31 * * * Version Details Vulnerabilities
3 Application Qemu Qemu * * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux 6.0 * * * Version Details Vulnerabilities
5 OS Redhat Enterprise Linux 7.0 * * * Version Details Vulnerabilities
6 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
7 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
8 Application Redhat Openstack 10 * * * Version Details Vulnerabilities
9 Application Redhat Openstack 13 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 1
Qemu Qemu 1
Redhat Enterprise Linux 4
Redhat Openstack 2

- References For CVE-2020-14364

https://www.openwall.com/lists/oss-security/2020/08/24/2
https://bugzilla.redhat.com/show_bug.cgi?id=1869201
https://www.openwall.com/lists/oss-security/2020/08/24/3
https://www.debian.org/security/2020/dsa-4760
DEBIAN DSA-4760
https://lists.fedoraproject.org/archives/list/[email protected]/message/JTZQUQ6ZBPMFMNAUQBVJFELYNMUZLL6P/
FEDORA FEDORA-2020-3689b67b53
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html
MLIST [debian-lts-announce] 20200913 [SECURITY] [DLA 2373-1] qemu security update
https://lists.fedoraproject.org/archives/list/[email protected]/message/M52WIRMZL6TZRYZ65N6OAYNNFHV62O2N/
FEDORA FEDORA-2020-eeb29955ed
https://usn.ubuntu.com/4511-1/
UBUNTU USN-4511-1
https://security.netapp.com/advisory/ntap-20200924-0006/ CONFIRM
https://security.gentoo.org/glsa/202009-14
GENTOO GLSA-202009-14
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
SUSE openSUSE-SU-2020:1664
https://security.gentoo.org/glsa/202011-09
GENTOO GLSA-202011-09

- Metasploit Modules Related To CVE-2020-14364

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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