VDB-168949 · CVE-2020-17380 · GCVE-0-2020-17380

QEMU up to 5.0.0 SDHCI Device Emulator hw/sd/sdhci.c sdhci_sdma_transfer_multi_blocks denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in QEMU up to 5.0.0. Affected by this vulnerability is the function sdhci_sdma_transfer_multi_blocks of the file hw/sd/sdhci.c of the component SDHCI Device Emulator. This manipulation causes denial of service. The identification of this vulnerability is CVE-2020-17380. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in QEMU up to 5.0.0 (Virtualization Software). Affected by this vulnerability is the function sdhci_sdma_transfer_multi_blocks of the file hw/sd/sdhci.c of the component SDHCI Device Emulator. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was shared 01/30/2021. The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2020-17380. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/21/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Virtualization Software

Name

QEMU

Version

License

open-source

Website

Product: https://www.qemu.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.7
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2020 🔍
01/30/2021 +176 days 🔍
01/30/2021 +0 days 🔍
02/21/2021 +22 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: bugzilla.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-17380 (🔍)
GCVE (CVE): GCVE-0-2020-17380
GCVE (VulDB): GCVE-100-168949

Entryinfo

Created: 01/30/2021 16:01
Updated: 02/21/2021 22:12
Changes: 01/30/2021 16:01 (39), 02/21/2021 22:10 (2), 02/21/2021 22:12 (18)
Complete: 🔍
Cache ID: 216::103