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Rate Limiting Bypass in express-brute

Moderate severity GitHub Reviewed Published Jun 7, 2019 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm express-brute (npm)

Affected versions

<= 1.0.1

Patched versions

None

Description

All versions of express-brute are vulnerable to Rate Limiting Bypass. Concurrent requests may lead to race conditions that cause the package to incorrectly count requests. This may allow an attacker to bypass the rate limiting provided by the package and execute requests without limiting.

Recommendation

No fix is currently available. Consider using an alternative module until a fix is made available.

References

Reviewed Jun 7, 2019
Published to the GitHub Advisory Database Jun 7, 2019
Last updated Jan 9, 2023

Severity

Moderate

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
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weaknesses

CVE ID

No known CVE

GHSA ID

GHSA-984p-xq9m-4rjw

Source code

No known source code
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