Questions tagged [deserialization]

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Is Marshal.load safe for Marsha.dumped data

I want to serialize and deserialize models that contain user input. Marshal is a serialization library built into Ruby. By design, ::load can deserialize almost any class loaded into the Ruby process....
Qaz's user avatar
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Why is there no fix for the commons beanutils Java deserialization gadget?

I recently came across a vulnerability which was caused by unsafe deserialization (Java) and the use of the Apache Commons library commons-beanutils. The ysoserial project references commons-beanutils ...
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How to decode ysoserial .net payload

Is there any way to decode ysoserial .net payload? For instance I'm creating payload with: ysoserial.exe -f BinaryFormatter -o base64 -c "ping" -g WindowsIdentity Is there any ...
K P's user avatar
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Exploit CVE-2020-0688 for older versions

I wanted to exploit my IIS CVE-2020-0688, which I saw that the key is the same as advertised. The problem is that my IIS is old, and uses AppPool of .NET 2 and not .NET 4. Also I can use only GET as ...
Ilay Goldman's user avatar
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How do gadget chains work in relation to Java Deserialization attacks?

tl;dr I would love a detailed explanation how user-controlled input goes from readObject to RCE. Java-specific. The background This is my attempt to add specificity to the OP question as requested in ...
deletehead's user avatar
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How does "./" affects signature generation for files, in a PHP based web application?

I am solving a lab related to serialization vulnerabilities. It deals with retrieving files based on the signature. The theory of the lab states as quoted, "Adding ./ will still give you the same ...
ThinkTank's user avatar
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JSON.Net insecure deserialization

I have a question in regard to insecure deserialization with the JSON.Net component. It is my understanding that this component is safe by default unless you specify the TypeNameHandling setting to ...
VitoCorleone's user avatar