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Hertz contains path traversal via normalizePath function

High severity GitHub Reviewed Published Sep 29, 2022 to the GitHub Advisory Database • Updated Feb 14, 2023

Package

gomod github.com/cloudwego/hertz (Go)

Affected versions

< 0.3.1

Patched versions

0.3.1

Description

Hertz is a a high-performance and strong-extensibility Go HTTP framework that helps developers build microservices. Versions of Hertz prior to 0.3.1 contain a path traversal vulnerability via the normalizePath function. This issue has been patched in 0.3.1.

References

Published by the National Vulnerability Database Sep 28, 2022
Published to the GitHub Advisory Database Sep 29, 2022
Reviewed Sep 30, 2022
Last updated Feb 14, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS score

0.196%
(57th percentile)

Weaknesses

CVE ID

CVE-2022-40082

GHSA ID

GHSA-c9qr-f6c8-rgxf

Source code

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