Migration Toolkit for Containers 1.7 release notes

This release has the following resolved issues:

A flaw was found in the net/http Golang standard library package, which impacts earlier versions of MTC. When parsing a multipart form, either explicitly with Request.ParseMultipartForm or implicitly with Request.FormValue, Request.PostFormValue, or Request.FormFile methods, limits on the total size of the parsed form are not applied to the memory consumed while reading a single form line. This permits a maliciously crafted input containing long lines to cause the allocation of arbitrarily large amounts of memory, potentially leading to memory exhaustion.

To resolve this issue, upgrade to MTC 1.7.16.

For more details, see CVE-2023-45290

A flaw was found in the crypto/x509 Golang standard library package, which impacts earlier versions of MTC. Verifying a certificate chain that contains a certificate with an unknown public key algorithm causes Certificate.Verify to panic. This affects all crypto/tls clients and servers that set Config.ClientAuth to VerifyClientCertIfGiven or RequireAndVerifyClientCert. The default behavior is for TLS servers to not verify client certificates.

To resolve this issue, upgrade to MTC 1.7.16.

For more details, see CVE-2024-24783.

A flaw was found in the net/mail Golang standard library package, which impacts earlier versions of MTC. The ParseAddressList function incorrectly handles comments, text in parentheses, and display names. As this is a misalignment with conforming address parsers, it can result in different trust decisions being made by programs using different parsers.

To resolve this issue, upgrade to MTC 1.7.16.

For more details, see CVE-2024-24784.

A flaw was found in the html/template Golang standard library package, which impacts earlier versions of MTC. If errors returned from MarshalJSON methods contain user-controlled data, they could be used to break the contextual auto-escaping behavior of the html/template package, allowing subsequent actions to inject unexpected content into templates.

To resolve this issue, upgrade to MTC 1.7.16.

For more details, see CVE-2024-24785.

A flaw was found in the webpack-dev-middleware package, which impacts earlier versions of MTC. This flaw fails to validate the supplied URL address sufficiently before returning local files, which could allow an attacker to craft URLs to return arbitrary local files from the developer’s machine.

To resolve this issue, upgrade to MTC 1.7.16.

For more details, see CVE-2024-29180.

A flaw was found in how the envoy proxy implements the HTTP/2 codec, which impacts earlier versions of MTC. There are insufficient limitations placed on the number of CONTINUATION frames that can be sent within a single stream, even after exceeding the header map limits of envoy. This flaw could allow an unauthenticated remote attacker to send packets to vulnerable servers. These packets could consume compute resources and cause a denial of service (DoS).

To resolve this issue, upgrade to MTC 1.7.16.

For more details, see CVE-2024-30255.

This release has the following known issues:

On migrating any application with a Persistent Volume Claim (PVC), the Stage migration operation succeeds with warnings, but the Direct Volume Migration (DVM) fails with the rsync pod on the source namespace moving into an error state. (BZ#2256141)

When creating a new state migration plan that returns a conflict error message, the error message is cleared very shortly after it is displayed. (BZ#2144299)

When there are multiple Volume Snapshot Locations (VSLs) in a cluster with different provider types, but you have not set any of them as the default VSL, Velero results in a validation error that causes migration operations to fail. (BZ#2180565)

This release has the following resolved issues:

A flaw was found in the protojson.Unmarshal function that could cause the function to enter an infinite loop when unmarshaling certain forms of invalid JSON messages. This condition could occur when unmarshaling into a message that contained a google.protobuf.Any value or when the UnmarshalOptions.DiscardUnknown option was set in a JSON-formatted message.

To resolve this issue, upgrade to MTC 1.7.15.

For more details, see (CVE-2024-24786).

A vulnerability was found in Jose due to improper handling of highly compressed data. An attacker could send a JSON Web Encryption (JWE) encrypted message that contained compressed data that used large amounts of memory and CPU when decompressed by the Decrypt or DecryptMulti functions. 

To resolve this issue, upgrade to MTC 1.7.15.

For more details, see (CVE-2024-28180).

This release has the following known issues:

On migrating any application with Persistent Volume Claim (PVC), the Stage migration operation succeeds with warnings, and Direct Volume Migration (DVM) fails with the rsync pod on the source namespace going into an error state. (BZ#2256141)

When creating a new state migration plan that results in a conflict error message, the error message is cleared shortly after it is displayed. (BZ#2144299)

When there are multiple VSLs in a cluster with different provider types, and you set none of them as the default VSL, Velero results in a validation error that causes migration operations to fail. (BZ#2180565)

This release has the following resolved issues:

A flaw was found in the handling of multiplexed streams in the HTTP/2 protocol, which is utilized by Migration Toolkit for Containers (MTC). A client could repeatedly make a request for a new multiplex stream then immediately send an RST_STREAM frame to cancel those requests. This activity created additional workloads for the server in terms of setting up and dismantling streams, but avoided any server-side limitations on the maximum number of active streams per connection. As a result, a denial of service occurred due to server resource consumption.

To resolve this issue, upgrade to MTC 1.7.14.

For more details, see (CVE-2023-44487) and (CVE-2023-39325).

To resolve these issues, upgrade to MTC 1.7.14.

For more details, see (CVE-2023-39318), (CVE-2023-39319), and (CVE-2023-39321).

There are no major known issues in this release.

There are no major resolved issues in this release.

There are no major known issues in this release.

There are no major resolved issues in this release.

This release has the following known issues:

On the Migration details page, at first, the migration details are displayed without any issues. However, after sometime, the details disappear, and a 504 error is returned. (BZ#2231106)

On upgrading the MTC operator from 1.7.x to 1.8.x, the old restic pods are not removed. After the upgrade, both restic and node-agent pods are visible in the namespace. (BZ#2236829)

There are no major resolved issues in this release.

There are no known issues in this release.

This release has the following major resolved issue:

In this release, you can prevent absolute symlinks from being manipulated by Rsync in the course of direct volume migration (DVM). Running DVM in privileged mode preserves absolute symlinks inside the persistent volume claims (PVCs). To switch to privileged mode, in the MigrationController CR, set the migration_rsync_privileged spec to true. (BZ#2204461)

There are no known issues in this release.

There are no major resolved issues in this release.

This release has the following known issue:

In this release, users are unable to prevent absolute symlinks from being manipulated by rsync during direct volume migration (DVM). (BZ#2204461)

This release has the following major resolved issues:

In previous releases, it was not possible to override the velero image using the velero_image_fqin parameter in the MigrationController Custom Resource (CR). (BZ#2143389)

In previous releases, adding a MigCluster from the UI failed when the domain name had more than six characters. The UI code expected a domain name of between two and six characters. (BZ#2152149)

In previous releases, the UI failed to render the Migrations' page, returning Cannot read properties of undefined (reading 'name'). (BZ#2163485)

In previous releases, when deploying MTC on an OpenShift Container Platform 4.6 cluster, the DPA failed to be created according to the logs, which resulted in some pods missing. From the logs in the migration-controller in the OCP 4.6 cluster, it indicated that an unexpected null value was passed, which caused the error. (BZ#2173742)

There are no known issues in this release.

There are no major resolved issues in this release.

There are no known issues in this release.

With the incoming enforcement of Pod Security Admission (PSA) in OpenShift Container Platform 4.12 the default pod would run with a restricted profile. This restricted profile would mean workloads to migrate would be in violation of this policy and no longer work as of now. The following enhancement outlines the changes that would be required to remain compatible with OCP 4.12. (MIG-1240)

This release has the following major resolved issues:

In previous releases, on the persistent volumes page, an error is thrown that a CronJob is not available in version batch/v1beta1, and when clicking on cancel, the migplan is created with status Not ready. (BZ#2143628)

This release has the following known issue:

When creating a new state migration plan that will result in a conflict error, that error is cleared shorty after it is displayed. (BZ#2144299)

This release has the following major resolved issue:

In previous release, migration succeeded with warnings but Direct Volume Migration failed with rsync pod on source namespace going into error state. (*BZ#2132978)

This release has the following known issues:

In previous releases, it was not possible to override the velero image using the velero_image_fqin parameter in the MigrationController Custom Resource (CR). (BZ#2143389)

The UI might fail to reload when editing a hook if there is a network connection issue. After the network connection is restored, the page will fail to reload until the cache is cleared. (BZ#2140208)

There are no major resolved issues in this release.

On performing the roll back of an application from the MTC UI, some resources are not being deleted from the target cluster and the roll back is showing a status as successfully completed. (BZ#2126880)

This release has the following major resolved issues:

In previous releases, the MigPlan could not be validated if the destination namespace started with a non-alphabetic character. (BZ#2102231)

In previous releases, while doing a full migration, unselecting the persistent volume claims (PVCs) would not skip selecting the PVCs and still try to migrate them. (BZ#2106073)

In previous releases, MigPlan could not be validated because the destination namespace started with a non-alphabetic character. (BZ#2102231)

There are no known issues in this release.

This release has the following major resolved issues:

In previous releases, the MTC UI did not display logs correctly. (BZ#2062266)

In previous releases, StorageClass conversion plans had a migstorage reference even though it was not being used. (BZ#2078459)

In previous releases, when downloading a compressed (.zip) folder for all logs, the velero pod was missing. (BZ#2076599)

In previous releases, after a migration was performed, the velero pod log was not included in the logs provided in the dropdown list. (BZ#2076593)

In previous releases, when trying to set any valid or invalid rsync options in the migrationcontroller, the log-reader was not showing any logs regarding the invalid options or about the rsync command being used. (BZ#2079252)

In previous releases, the default CPU requests on Velero/Restic were too demanding and fail in certain environments. Default CPU requests for Velero and Restic Pods are set to 500m. These values were high. (BZ#2088022)

This release has the following known issues:

After updating the replication repository to a different type and clicking Update Repository, it shows connection successful, but the UI is not updated with the correct details. When clicking on the Edit button again, it still shows the old replication repository information.

Furthermore, when trying to update the replication repository again, it still shows the old replication details. When selecting the new repository, it also shows all the information you entered previously and the Update repository is not enabled, as if there are no changes to be submitted. (BZ#2102020)

Migration fails at the restore stage because of initial backup has not been found. (BZ#2104874)

When updating the remote cluster, selecting the Azure resource group checkbox, and adding a resource group does not enable the Update cluster option. (BZ#2098594)

When creating a backupStorage credential secret in OpenShift Container Platform, if the migstorage is removed from the UI, a 404 error is returned and the underlying secret is not removed. (BZ#2100828)

After creating a migplan from backend, the Miganalytic resource displays the resource count as 0 in UI. (BZ#2102139)

After adding two trailing slashes, meaning //, to the exposed registry route, the MigCluster resource is showing the status as connected. When creating a migplan from backend with DIM, the plans move to the unready status. (BZ#2104864)

When editing the source cluster that has been added and is in Connected state, in the UI, the service account token is not visible in the field. To save the wizard, you have to fetch the token again and provide details inside the field. (BZ#2097668)

There are no major resolved issues in this release.

This release has the following known issues:

MigPlan cannot be validated because the destination namespace starts with a non-alphabetic character. (BZ#2102231)

The Cloud propagation phase in the migration controller is not functioning due to missing labels on Velero pods. The EnsureCloudSecretPropagated phase in the migration controller waits until replication repository secrets are propagated on both sides. As this label is missing on Velero pods, the phase is not functioning as expected. (BZ#2088026)

Default CPU requests on Velero/Restic are too demanding when making scheduling fail in certain environments. Default CPU requests for Velero and Restic Pods are set to 500m. These values are high. The resources can be configured in DPA using the podConfig field for Velero and Restic. Migration operator should set CPU requests to a lower value, such as 100m, so that Velero and Restic pods can be scheduled in resource constrained environments MTC often operates in. (BZ#2088022)

A warning is displayed on the persistentVolumes page after editing the storage class conversion plan. When editing the existing migration plan, a warning is displayed on the UI At least one PVC must be selected for Storage Class Conversion. (BZ#2079549)

When downloading a compressed (.zip) folder for all logs, the velero pod is missing. (BZ#2076599)

After a migration is performed, the velero pod log is not included in the logs provided in the dropdown list. (BZ#2076593)

This release has the following new features and enhancements:

This release has the following known issues: