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7 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.
AWS CDK (aws-cdk-lib) is an open-source framework for defining cloud infrastructure in code and provisioning it through AWS CloudFormation. OS command injection issue in the NodejsFunction Docker bundling pipeline in aws-cdk-lib before 2.260.0 that might allow an actor who controls dependency version strings in a project's package.json file to execute arbitrary commands on the host running the CDK toolchain via injected shell metacharacters in the OsCommand helper. This issue requires the actor to control the content of a package.json dependency version string that is processed during Docker-based bundling with nodeModules specified. Impact During Docker-based Lambda bundling, when the nodeModules option is specified, NodejsFunction assembled a shell command string, including file-operation commands generated by an internal OsCommand helper, from the version strings of the modules listed in nodeModules, and executed it via a shell (bash -c) inside the bundling container.…
Recommended action: Upgrade to 2.260.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
AWS CDK (aws-cdk-lib) is an open-source framework for defining cloud infrastructure in code and provisioning it through AWS CloudFormation. OS command injection in the NodejsFunction local bundling pipeline in aws-cdk-lib before 2.245.0 (2.246.0 on Windows) might allow a threat actor who controls the value of one or more bundling properties (externalModules, define, loader, inject, or esbuildArgs) to execute arbitrary commands on the host running the CDK toolchain via injected shell metacharacters. This issue requires the threat actor to control the value of one or more of the affected bundling properties in the CDK application. Impact During local Lambda bundling, NodejsFunction assembled an esbuild command string from the bundling properties externalModules, define, loader, inject, and esbuildArgs and executed it via a shell (bash -c on Linux/macOS, cmd /c on Windows) through spawnSync. The property values were interpolated without escaping or validation, so values…
Recommended action: Upgrade to 2.246.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
The AWS Cloud Development Kit (AWS CDK) is an open-source software development framework for defining cloud infrastructure in code and provisioning it through AWS CloudFormation. In the CDK, developers organize their applications into reusable components called "constructs," which are organized into a hierarchical tree structure. One of the features of this framework is the ability to call "Aspects," which are mechanisms to set configuration options for all AWS Resources in a particular part of the hierarchy at once. Aspect execution happens in a specific order, and the last Aspect to execute controls the final values in the template. AWS CDK version 2.172.0 introduced a new priority system for Aspects. Prior to this version, CDK would run Aspects based on hierarchical location. The new priority system takes precedence over hierarchical location, altering the invocation order of Aspects. Different priority classes were introduced: Aspects added by CDK APIs were classified as…
Recommended action: Upgrade to 2.189.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
The AWS Cloud Development Kit (CDK) is an open-source framework for defining cloud infrastructure using code. Customers use it to create their own applications which are converted to AWS CloudFormation templates during deployment to a customer’s AWS account. CDK contains pre-built components called "constructs" that are higher-level abstractions providing defaults and best practices. This approach enables developers to use familiar programming languages to define complex cloud infrastructure more efficiently than writing raw CloudFormation templates. The CDK Cognito UserPool construct deploys an AWS cognito user pool. An Amazon Cognito user pool is a user directory for web and mobile app authentication and authorization. Customers can deploy a client under this user pool through construct ‘UserPoolClient’ or through helper method 'addClient'. A user pool client resource represents an Amazon Cognito user pool client which is a configuration within a user pool that interacts…
Recommended action: Upgrade to 2.187.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
The AWS Cloud Development Kit (CDK) is an open-source framework for defining cloud infrastructure using code. Users use it to create their own applications, which are converted to AWS CloudFormation templates during deployment to a user's AWS account. AWS CDK contains pre-built components called "constructs," which are higher-level abstractions providing defaults and best practices. This approach enables developers to use familiar programming languages to define complex cloud infrastructure more efficiently than writing raw CloudFormation templates. The AWS CodePipeline construct deploys CodePipeline, a managed service that orchestrates software release processes through a series of stages, each comprising one or more actions executed by CodePipeline. To perform these actions, CodePipeline assumes IAM roles with permissions necessary for each step, allowing it to interact with AWS services and resources on behalf of the user. An issue exists where, when using CDK to create a…
Recommended action: Upgrade to 2.189.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
Impact Users who use IAM OIDC custom resource provider package will download CA Thumbprints as part of the custom resource workflow, https://github.com/aws/aws-cdk/blob/d16482fc8a4a3e1f62751f481b770c09034df7d2/packages/%40aws-cdk/custom-resource-handlers/lib/aws-iam/oidc-handler/external.ts#L34. However, the current tls.connect method will always set rejectUnauthorized: false which is a potential security concern. CDK should follow the best practice and set rejectUnauthorized: true. However, this could be a breaking change for existing CDK applications and we should fix this with a feature flag. Note that this is marked as low severity Security advisory because the issuer url is provided by CDK users who define the CDK application. If they insist on connecting to a unauthorized OIDC provider, CDK should not disallow this. Additionally, the code block is run in a Lambda environment which mitigate the MITM attack. As a best practice, CDK should still fix this issue under a feature flag…
Recommended action: Upgrade to 2.177.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
If you are using the eks.Cluster or eks.FargateCluster construct we need you to take action. Other users are not affected and can stop reading. Impact The AWS Cloud Development Kit (CDK) allows for the definition of Amazon Elastic Container Service for Kubernetes (EKS) clusters. eks.Cluster and eks.FargateCluster constructs create two roles that have an overly permissive trust policy. The first, referred to as the CreationRole, is used by lambda handlers to create the cluster and deploy Kubernetes resources (e.g KubernetesManifest, HelmChart, ...) onto it. Users with CDK version higher or equal to 1.62.0 (including v2 users) will be affected. The second, referred to as the default MastersRole, is provisioned only if the mastersRole property isn't provided and has permissions to execute kubectl commands on the cluster. Users with CDK version higher or equal to 1.57.0 (including v2 users) will be affected. Both these roles use the account root principal in their trust policy, which…
Recommended action: Upgrade to 2.80.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.