CVE-2020-25723

Published: Dic 02, 2020 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2020-18377 Aliases: GSD-2020-25723
ExploitDB:
Other exploit source:
Google Dorks:
LOW 3,2
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: none
Availability: low
LOW 2,1
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0004
Percentile
0,1th
Updated

EPSS Score Trend (Last 90 Days)

617

Reachable Assertion

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Crash, Exit, Or Restart
Applicable Platforms
Languages: C, Java, Not Language-Specific, Rust
View CWE Details
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Qemu by Qemu

Product Information
Vendor Qemu
Product Qemu
Version Range Affected
To 5.1.1 (inclusive)
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.redhat.com/show_bug.cgi?id=1898579
Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1898579
https://lists.debian.org/debian-lts-announce/2022/09/msg000…
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
https://security.netapp.com/advisory/ntap-20201218-0004/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20201218-0004/
http://www.openwall.com/lists/oss-security/2020/12/22/1
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/12/22/1
https://bugzilla.redhat.com/show_bug.cgi?id=1898579
Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1898579
https://lists.debian.org/debian-lts-announce/2022/09/msg000…
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
https://security.netapp.com/advisory/ntap-20201218-0004/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20201218-0004/
http://www.openwall.com/lists/oss-security/2020/12/22/1
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/12/22/1