Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-14364 First vendor Publication 2020-08-31
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
Overall CVSS Score 5
Base Score 5 Environmental Score 5
impact SubScore 3.7 Temporal Score 5
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity High
Privileges Required High User Interaction None
Scope Changed Confidentiality Impact Low
Integrity Impact Low Availability Impact Low
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14364

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
50 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 195
Application 2
Os 3
Os 2
Os 2
Os 1
Os 4

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20200924-0006/
DEBIAN https://www.debian.org/security/2020/dsa-4760
GENTOO https://security.gentoo.org/glsa/202009-14
https://security.gentoo.org/glsa/202011-09
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1869201
https://www.openwall.com/lists/oss-security/2020/08/24/2
https://www.openwall.com/lists/oss-security/2020/08/24/3
MLIST https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
UBUNTU https://usn.ubuntu.com/4511-1/

Alert History

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  • First insertion