Envoy 413/500 Local Response use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Envoy 413/500. The impacted element is an unknown function of the component Local Response Handler. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2021-43825. It is possible to initiate the attack remotely. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Envoy 413/500. This affects some unknown functionality of the component Local Response Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 02/23/2022 as GHSA-h69p-g6xg-mhhh. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-43825 since 11/16/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Applying the patch 148de954ed3585d8b4298b424aa24916d0de6136 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
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: Use after free
CWE: CWE-416 / CWE-119
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 148de954ed3585d8b4298b424aa24916d0de6136

Timelineinfo

11/16/2021 🔍
02/23/2022 +99 days 🔍
02/23/2022 +0 days 🔍
02/25/2022 +2 days 🔍

Sourcesinfo

Advisory: GHSA-h69p-g6xg-mhhh
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43825 (🔍)
GCVE (CVE): GCVE-0-2021-43825
GCVE (VulDB): GCVE-100-193629

Entryinfo

Created: 02/23/2022 07:31
Updated: 02/25/2022 14:26
Changes: 02/23/2022 07:31 (50), 02/25/2022 14:26 (2)
Complete: 🔍
Cache ID: 216::103

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

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