CVE-2011-4040 Memory corruption in n/a
Remote attackers can execute arbitrary code via a crafted packet due to a buffer overflow in MiniSmtp within NJStar Communicator.
- 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-2011-4040?
CVE-2011-4040 is a critical memory corruption vulnerability in n/a, published on 21 Nov 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
Weakness: CWE-119
Which versions are affected by CVE-2011-4040?
It affects 1 product.
Products include Njstar Njstar Communicator.
How do I fix CVE-2011-4040?
No fix has been published for CVE-2011-4040 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-2011-4040 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4040 exists.
Public exploit code: 1 Metasploit module and 2 Exploit-DB entries.
Sources
Also known as GHSA-j834-vhc7-49w9.