h2o QUIC Frame uninitialized resource

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in h2o. Affected by this vulnerability is an unknown functionality of the component QUIC Frame Handler. Performing a manipulation results in uninitialized resource. This vulnerability was named CVE-2021-43848. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in h2o (version now known). It has been classified as critical. This affects some unknown processing of the component QUIC Frame Handler. The manipulation with an unknown input leads to a uninitialized resource vulnerability. CWE is classifying the issue as CWE-908. The product uses or accesses a resource that has not been initialized. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 02/01/2022 as GHSA-f9xw-j925-m4m4. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-43848 since 11/16/2021. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Uninitialized resource
CWE: CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Patch: github.com

Timelineinfo

11/16/2021 🔍
02/01/2022 +77 days 🔍
02/01/2022 +0 days 🔍
02/04/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-f9xw-j925-m4m4
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43848 (🔍)
GCVE (CVE): GCVE-0-2021-43848
GCVE (VulDB): GCVE-100-192093

Entryinfo

Created: 02/01/2022 21:01
Updated: 02/04/2022 13:13
Changes: 02/01/2022 21:01 (47), 02/04/2022 13:13 (2)
Complete: 🔍
Cache ID: 216:20D:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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