CVE-2018-14878

JetBrains dotPeek before 2018.2 and ReSharper Ultimate before 2018.1.4 allow attackers to execute code by decompiling a compiled .NET object (such as a DLL or EXE file) with a specific file, because of Deserialization of Untrusted Data.

Weakness

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Software

Potential Mitigations

• Make fields transient to protect them from deserialization.
• An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/586.html

References

• https://blog.jetbrains.com/dotnet/2018/08/02/resharper-ultimate-2018-1-4-rider-2018-1-4-released/
• https://www.nccgroup.trust/uk/about-us/newsroom-and-events/blogs/2018/august/aspnet-resource-files-resx-and-deserialisation-issues/
• https://blog.jetbrains.com/dotnet/2018/08/02/resharper-ultimate-2018-1-4-rider-2018-1-4-released/
• https://www.nccgroup.trust/uk/about-us/newsroom-and-events/blogs/2018/august/aspnet-resource-files-resx-and-deserialisation-issues/