Envoy Common Router control flow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Envoy and classified as problematic. Impacted is an unknown function of the component Common Router. The manipulation results in control flow. This vulnerability was named CVE-2022-21655. The attack may be performed from remote. There is no available exploit. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Envoy (the affected version is unknown). Affected is an unknown code of the component Common Router. The manipulation with an unknown input leads to a control flow vulnerability. CWE is classifying the issue as CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. This is going to have an impact on availability.

The weakness was presented 02/23/2022 as GHSA-7r5p-7fmh-jxpg. The advisory is available at github.com. This vulnerability is traded as CVE-2022-21655 since 11/16/2021. The technical details are unknown and an exploit is not available.

Applying the patch 177d608155ba8b11598b9bbf8240e90d8c350682 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
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: Control flow
CWE: CWE-670
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: 177d608155ba8b11598b9bbf8240e90d8c350682

Timelineinfo

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

Sourcesinfo

Advisory: GHSA-7r5p-7fmh-jxpg
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21655 (🔍)
GCVE (CVE): GCVE-0-2022-21655
GCVE (VulDB): GCVE-100-193638

Entryinfo

Created: 02/23/2022 07:54
Updated: 02/25/2022 14:51
Changes: 02/23/2022 07:54 (49), 02/25/2022 14:51 (2)
Complete: 🔍
Cache ID: 216::103

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