CVE-2017-9544 Memory corruption in n/a
Remote attackers can execute arbitrary code via a stack-based buffer overflow in the user registration process of Easy Chat Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-9544?
CVE-2017-9544 is a critical memory corruption vulnerability in n/a, published on 12 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2017-9544?
It affects 1 product.
Products include Echatserver Easy Chat Server.
How do I fix CVE-2017-9544?
No fix has been published for CVE-2017-9544 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-9544 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-9544 exists.
Public exploit code: 1 Metasploit module and 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v53x-rh5j-prv2.