Skip to main content

Questions tagged [deserialization]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers

Which groovy is safe from gadget chains?

I have a java deserialization vulnerability, with a poc. The poc exploits using the groovy library, and the groovy version is 2.4.19. When searching online for a CVE related to this gadget I couldn't ...
anonymous's user avatar
1 vote
2 answers

Coverity flags as unsafe deserialisaton. Is this vulnerable?

Coverity shows the block of code as unsafe deserialization: String str = OBJECT_MAPPER.writeValueAsString(body); //Body is user controlled Ferarri myclassobj = OBJECT_MAPPER.readValue(str, Ferarri....
warrior-oo7's user avatar
1 vote
0 answers

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 ...
kaidentity's user avatar
  • 2,654
4 votes
0 answers

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
  • 195
0 votes
0 answers

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
1 vote
0 answers

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
  • 11
0 votes
0 answers

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
0 votes
1 answer

Is accepting arbitrary COM pointers over a process boundary safe?

I have a legacy Windows application that needs to be looked over in terms of security. During this review something caught me eye. In the out of process COM server I'm looking at is a method that ...
Rick's user avatar
  • 11
1 vote
0 answers

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
1 vote
0 answers

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
0 votes
1 answer

Deserialization Opportunity?

I have minimal experience exploiting deserialization vulnerabilities and I am working on and I have identified the following URL endpoint. This is it URL Decoded: /Account/Register?Count=0&Keys=...
leaustinwile's user avatar