Description
There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1. By sending an overly long username string to registresult.htm for registering the user, an attacker may be able to execute arbitrary code.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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Easy Chat Server User Registeration Buffer Overflow (SEH)
exploit/windows/http/easychatserver_seh
GitHub 1 repository
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adenkiewicz/CVE-2017-9544 ★ 0 · Jan 2, 2019
SEH BO based exploit for Easy Chat Server on Win 7 32b
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 42155 exploit