Envoy up to 1.22.0 Header 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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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Envoy up to 1.22.0. This impacts an unknown function of the component Header Handler. Such manipulation leads to use after free. This vulnerability is traded as CVE-2022-29227. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Envoy up to 1.22.0. Affected by this issue is an unknown code block of the component Header Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is availability.

The weakness was shared 06/10/2022 as GHSA-rm2p-qvf6-pvr6. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-29227 since 04/13/2022. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.22.1 eliminates this vulnerability. Applying the patch fe7c69c248f4fe5a9080c7ccb35275b5218bb5ab 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

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: 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Envoy 1.22.1
Patch: fe7c69c248f4fe5a9080c7ccb35275b5218bb5ab

Timelineinfo

04/13/2022 🔍
06/09/2022 +57 days 🔍
06/10/2022 +0 days 🔍
06/15/2022 +5 days 🔍

Sourcesinfo

Advisory: GHSA-rm2p-qvf6-pvr6
Status: Confirmed

CVE: CVE-2022-29227 (🔍)
GCVE (CVE): GCVE-0-2022-29227
GCVE (VulDB): GCVE-100-201584

Entryinfo

Created: 06/10/2022 00:31
Updated: 06/15/2022 08:50
Changes: 06/10/2022 00:31 (41), 06/15/2022 08:42 (1), 06/15/2022 08:45 (12), 06/15/2022 08:50 (1)
Complete: 🔍
Cache ID: 216::103

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