QEMU up to 5.1.0 hw/ide/pci.c ide_cancel_dma_sync null pointer dereference

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 up to 5.1.0. It has been rated as problematic. This issue affects the function ide_cancel_dma_sync of the file hw/ide/pci.c. Performing a manipulation results in null pointer dereference. This vulnerability is cataloged as CVE-2020-25743. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QEMU up to 5.1.0 (Virtualization Software). This affects the function ide_cancel_dma_sync of the file hw/ide/pci.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was shared 10/07/2020. The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2020-25743. Technical details are known, but no exploit is available.

Upgrading to version 5.1.1 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 3.2
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QEMU 5.1.1

Timelineinfo

09/18/2020 🔍
10/07/2020 +19 days 🔍
10/07/2020 +0 days 🔍
11/16/2020 +40 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-25743 (🔍)
GCVE (CVE): GCVE-0-2020-25743
GCVE (VulDB): GCVE-100-162309

Entryinfo

Created: 10/07/2020 07:30
Updated: 11/16/2020 20:18
Changes: 10/07/2020 07:30 (13), 10/07/2020 07:33 (26), 11/15/2020 10:21 (4), 11/16/2020 20:11 (3), 11/16/2020 20:18 (14)
Complete: 🔍
Cache ID: 216::103

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