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Denial of Service in http-swagger

High severity GitHub Reviewed Published Apr 18, 2022 in swaggo/http-swagger • Updated Mar 4, 2024

Package

gomod github.com/swaggo/http-swagger (Go)

Affected versions

< 1.2.6

Patched versions

1.2.6

Description

Impact

Allows an attacker to perform a DOS attack consisting of memory exhaustion on the host system.

Patches

Yes. Please upgrade to v1.2.6.

Workarounds

A workaround is to restrict the path prefix to the "GET" method. As shown below

func main() {
	r := mux.NewRouter()

	r.PathPrefix("/swagger/").Handler(httpSwagger.Handler(
		httpSwagger.URL("http://localhost:1323/swagger/doc.json"), //The url pointing to API definition
		httpSwagger.DeepLinking(true),
		httpSwagger.DocExpansion("none"),
		httpSwagger.DomID("#swagger-ui"),
	)).Methods(http.MethodGet)

References

Reporter dongguangli from https://www.huoxian.cn/ company

For more information

If you have any questions or comments about this advisory:

References

@ubogdan ubogdan published to swaggo/http-swagger Apr 18, 2022
Published by the National Vulnerability Database Apr 18, 2022
Published to the GitHub Advisory Database Apr 22, 2022
Reviewed Apr 22, 2022
Last updated Mar 4, 2024

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
None
Integrity
None
Availability
High

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:N/I:N/A:H

EPSS score

0.226%
(62nd percentile)

CVE ID

CVE-2022-24863

GHSA ID

GHSA-xg75-q3q5-cqmv

Source code

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