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Hyperion v0.12.2

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@Aaronontheweb Aaronontheweb released this 31 Mar 14:35
0.12.2
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0.12.2 March 31 2022

0.12.1 March 23 2022

0.12.0 January 12 2022

  • Allow explicit control over which types can be deserialized #281

We've expanded our deserialization safety check to block dangerous types from being deserialized; we recommend this method as a best practice to prevent deserialization of untrusted data. You can now create a custom deserialize layer type filter programmatically:

var typeFilter = TypeFilterBuilder.Create()
    .Include<AllowedClassA>()
    .Include<AllowedClassB>()
    .Build();
var options = SerializerOptions.Default
    .WithTypeFilter(typeFilter);
var serializer = new Serializer(options);

For complete documentation, please read the readme on filtering types for secure deserialization.

0.11.2 October 7 2021

  • Fix exception thrown during deserialization when preserve object reference was turned on
    and a surrogate instance was inserted into a collection multiple times. #264
  • Add support for AggregateException serialization. #266

0.11.1 August 17 2021

We've added a deserialization safety check to block dangerous types from being deserialized.
This is done to add a layer of security from possible code injection and code execution attack.
Currently it is an all or nothing feature that can be turned on and off by using the new DisallowUnsafeTypes flag inside SerializerOptions (defaults to true).

The unsafe types that are currently blocked are:

  • System.Security.Claims.ClaimsIdentity
  • System.Windows.Forms.AxHost.State
  • System.Windows.Data.ObjectDataProvider
  • System.Management.Automation.PSObject
  • System.Web.Security.RolePrincipal
  • System.IdentityModel.Tokens.SessionSecurityToken
  • SessionViewStateHistoryItem
  • TextFormattingRunProperties
  • ToolboxItemContainer
  • System.Security.Principal.WindowsClaimsIdentity
  • System.Security.Principal.WindowsIdentity
  • System.Security.Principal.WindowsPrincipal
  • System.CodeDom.Compiler.TempFileCollection
  • System.IO.FileSystemInfo
  • System.Activities.Presentation.WorkflowDesigner
  • System.Windows.ResourceDictionary
  • System.Windows.Forms.BindingSource
  • Microsoft.Exchange.Management.SystemManager.WinForms.ExchangeSettingsProvider
  • System.Diagnostics.Process
  • System.Management.IWbemClassObjectFreeThreaded

0.11.0 July 8 2021

Possible breaking changes

The change to the object serializer field ordering might cause a deserialization failure of persisted objects
that are serialized using the Hyperion serializer.

Please report any serialization problem that occurs after an upgrade to this version at the
issue tracker

0.10.2 June 30 2021

0.10.1 April 20 2021

Changes:

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