C#: Newtonsoft.JSON unsafe deserialization issue repro #9782
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tamasvajk
reviewed
Jul 6, 2022
| @@ -925,10 +925,10 @@ public enum TypeNameAssemblyFormatHandling | |||
| [System.Flags] | |||
| public enum TypeNameHandling | |||
| { | |||
| None, | |||
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Temporary fix for github/codeql-csharp-team#260.
tamasvajk
reviewed
Jul 6, 2022
| | Test.cs:25:46:25:54 | access to property Text | semmle.label | access to property Text | | ||
| subpaths | ||
| #select | ||
| | Test.cs:9:46:9:54 | access to property Text | Test.cs:9:46:9:49 | access to parameter data : TextBox | Test.cs:9:46:9:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:9:46:9:49 | access to parameter data : TextBox | User-provided data | |
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Should this be reported?
| | Test.cs:17:46:17:54 | access to property Text | Test.cs:17:46:17:49 | access to parameter data : TextBox | Test.cs:17:46:17:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:17:46:17:49 | access to parameter data : TextBox | User-provided data | | ||
| | Test.cs:17:46:17:54 | access to property Text | Test.cs:17:46:17:49 | access to parameter data : TextBox | Test.cs:17:46:17:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:17:46:17:49 | access to parameter data : TextBox | User-provided data | |
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Issue should be reported only once.
| | Test.cs:9:46:9:54 | access to property Text | Test.cs:9:46:9:49 | access to parameter data : TextBox | Test.cs:9:46:9:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:9:46:9:49 | access to parameter data : TextBox | User-provided data | | ||
| | Test.cs:17:46:17:54 | access to property Text | Test.cs:17:46:17:49 | access to parameter data : TextBox | Test.cs:17:46:17:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:17:46:17:49 | access to parameter data : TextBox | User-provided data | | ||
| | Test.cs:17:46:17:54 | access to property Text | Test.cs:17:46:17:49 | access to parameter data : TextBox | Test.cs:17:46:17:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:17:46:17:49 | access to parameter data : TextBox | User-provided data | | ||
| | Test.cs:25:46:25:54 | access to property Text | Test.cs:25:46:25:49 | access to parameter data : TextBox | Test.cs:25:46:25:54 | access to property Text | $@ flows to unsafe deserializer. | Test.cs:25:46:25:49 | access to parameter data : TextBox | User-provided data | |
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Is this really an issue? We also have cs/unsafe-deserialization with low precision. If this is not always an issue, we should probably not report it in cs/unsafe-deserialization-untrusted-input.
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