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coreruleset (aka OWASP ModSecurity Core Rule Set) through...

Critical severity Unreviewed Published Jul 13, 2023 to the GitHub Advisory Database • Updated Apr 4, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

coreruleset (aka OWASP ModSecurity Core Rule Set) through 3.3.4 does not block multiple Content-Type headers, which might allow attackers to bypass a WAF with a crafted payload, aka "Content-Type confusion." This occurs when the web application relies on only the last Content-Type header.

References

Published by the National Vulnerability Database Jul 13, 2023
Published to the GitHub Advisory Database Jul 13, 2023
Last updated Apr 4, 2024

Severity

Critical

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
High
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:H/I:H/A:H

EPSS score

0.157%
(53rd percentile)

Weaknesses

CVE ID

CVE-2023-38199

GHSA ID

GHSA-662c-vg67-m327

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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