QEMU hcd-dwc2 USB Host Controller Emulation hw/usb/hcd-dwc2.c dwc2_handle_packet divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in QEMU and classified as problematic. This affects the function dwc2_handle_packet of the file hw/usb/hcd-dwc2.c of the component hcd-dwc2 USB Host Controller Emulation. The manipulation results in divide by zero. This vulnerability is known as CVE-2020-27661. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QEMU (Virtualization Software) (the affected version is unknown). Affected is the function dwc2_handle_packet of the file hw/usb/hcd-dwc2.c of the component hcd-dwc2 USB Host Controller Emulation. The manipulation with an unknown input leads to a divide by zero vulnerability. CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on availability.

The weakness was published 06/02/2021. The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2020-27661. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.qemu.org.

The vulnerability is also documented in the vulnerability database at Tenable (209571). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.qemu.org

Timelineinfo

10/22/2020 🔍
06/02/2021 +223 days 🔍
06/02/2021 +0 days 🔍
10/26/2024 +1242 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-27661 (🔍)
GCVE (CVE): GCVE-0-2020-27661
GCVE (VulDB): GCVE-100-176250

Entryinfo

Created: 06/02/2021 22:39
Updated: 10/26/2024 03:18
Changes: 06/02/2021 22:39 (36), 06/02/2021 22:40 (4), 06/05/2021 15:06 (2), 10/26/2024 03:18 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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