CVE-2024-8901 (GCVE-0-2024-8901)

Vulnerability from cvelistv5 – Published: 2024-10-21 23:19 – Updated: 2025-10-14 19:01
VLAI?
Summary
The AWS ALB Route Directive Adapter For Istio repo https://github.com/awslabs/aws-alb-route-directive-adapter-for-istio/tree/master provides an OIDC authentication mechanism that was integrated into the open source Kubeflow project. The adapter uses JWT for authentication, but lacks proper signer and issuer validation. In deployments of ALB that ignore security best practices, where ALB targets are directly exposed to internet traffic, an actor can provide a JWT signed by an untrusted entity in order to spoof OIDC-federated sessions and successfully bypass authentication. The repository/package has been deprecated, is end of life, and is no longer supported. As a security best practice, ensure that your ELB targets (e.g. EC2 Instances, Fargate Tasks etc.) do not have public IP addresses. Ensure any forked or derivative code validate that the signer attribute in the JWT match the ARN of the Application Load Balancer that the service is configured to use.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
Amazon AWS ALB Route Directive Adapter For Istio Affected: 1.0
Affected: 1.1
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Ensure any forked or derivative code validate that the signer\\u00a0attribute in the JWT match the ARN of the Application Load Balancer that the service is configured to use.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003e\u003c/p\u003e\u003cp\u003eThe \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://github.com/awslabs/aws-alb-route-directive-adapter-for-istio/tree/master\\\"\u003eAWS ALB Route Directive Adapter For Istio repo\u003c/a\u003e provides an OIDC authentication mechanism that was integrated into the open source Kubeflow project. The adapter uses JWT for authentication, but lacks proper signer and issuer validation. In deployments of ALB that ignore security best practices, where ALB targets are directly exposed to internet traffic, an actor can provide a JWT signed by an untrusted entity in order to spoof OIDC-federated sessions and successfully bypass authentication.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eThe repository/package has been deprecated, is end of life, and is no longer supported. As a security best practice, ensure that your ELB targets (e.g. EC2 Instances, Fargate Tasks etc.) do not have public IP addresses. Ensure any forked or derivative code validate that the \u003ccode\u003esigner\u003c/code\u003e\u0026nbsp;attribute in the JWT match the ARN of the Application Load Balancer that the service is configured to use.\u003c/p\u003e\u003cbr\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-290\", \"description\": \"CWE-290 Authentication Bypass by Spoofing\"}]}], \"providerMetadata\": {\"orgId\": \"ff89ba41-3aa1-4d27-914a-91399e9639e5\", \"shortName\": \"AMZN\", \"dateUpdated\": \"2025-10-14T19:01:50.153Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-8901\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-14T19:01:50.153Z\", \"dateReserved\": \"2024-09-16T18:54:33.287Z\", \"assignerOrgId\": \"ff89ba41-3aa1-4d27-914a-91399e9639e5\", \"datePublished\": \"2024-10-21T23:19:31.138Z\", \"assignerShortName\": \"AMZN\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.