Hyperium Hyper up to 0.14.18 HTTP/2 max_header_list_size allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Hyperium Hyper up to 0.14.18. This issue affects the function max_header_list_size of the component HTTP2 Handler. Performing a manipulation results in an unknown weakness. This vulnerability is reported as CVE-2022-31394. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Hyperium Hyper up to 0.14.18. It has been classified as problematic. This affects the function max_header_list_size of the component HTTP2 Handler. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.

The weakness was disclosed 02/21/2023 as 2826. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-31394 since 05/23/2022. Technical details are known, but no exploit is available.

Upgrading to version 0.14.19 eliminates this vulnerability. The upgrade is hosted for download at github.com. 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: Hyper 0.14.19
Patch: github.com

Timelineinfo

05/23/2022 🔍
02/21/2023 +274 days 🔍
02/21/2023 +0 days 🔍
03/23/2023 +30 days 🔍

Sourcesinfo

Product: github.com

Advisory: 2826
Status: Confirmed

CVE: CVE-2022-31394 (🔍)
GCVE (CVE): GCVE-0-2022-31394
GCVE (VulDB): GCVE-100-221577

Entryinfo

Created: 02/21/2023 15:46
Updated: 03/23/2023 18:45
Changes: 02/21/2023 15:46 (42), 03/23/2023 18:45 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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