CVE-2018-18628 : Security Advisory and Response

A vulnerability has been found in version 1.11.0 of Pippo that allows for remote code execution through a crafted object inserted into a cookie.

Understanding CVE-2018-18628

This CVE identifies a flaw in the decode() function of SerializationSessionDataTranscoder in Pippo version 1.11.0.

What is CVE-2018-18628?

The vulnerability arises from deserialization of a SessionData object without proper object type verification, enabling an attacker to execute remote code by manipulating a cookie.

The Impact of CVE-2018-18628

The vulnerability allows attackers to trigger remote code execution by inserting a malicious object into the PIPPO_SESSION field of a cookie.

Technical Details of CVE-2018-18628

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The decode() function in SerializationSessionDataTranscoder deserializes a SessionData object without validating object types, leading to potential remote code execution.

Affected Systems and Versions

Product: Pippo
Version: 1.11.0

Exploitation Mechanism

Attacker crafts a harmful object
Encodes it in base64
Inserts it into the PIPPO_SESSION field of a cookie
Sending the manipulated cookie triggers remote code execution

Mitigation and Prevention

To address CVE-2018-18628, follow these steps:

Immediate Steps to Take

Disable or restrict the use of cookies in the affected application
Implement input validation and output encoding to prevent injection attacks

Long-Term Security Practices

Regularly update and patch the application to the latest version
Conduct security audits and code reviews to identify and address vulnerabilities

Patching and Updates

Apply patches provided by the Pippo project to fix the vulnerability