Remote Code Execution Vulnerability in Mercurial by Software Vendor

CVE-2017-9462

What is CVE-2017-9462?

In Mercurial versions before 4.1.3, the command 'hg serve --stdio' allows authenticated users to exploit the functionality by specifying '--debugger' as a repository name. This results in enabling the Python debugger, which can be manipulated to execute arbitrary code, potentially compromising the integrity and security of the system.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Metasploit exploit module for CVE-2017-9462
Created by Rapid7

References