CVE-2003-0213 Memory corruption in n/a
Remote attackers can cause a denial of service in PoPToP PPTP servers by sending packets with specific length fields, triggering a buffer overflow.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2003-0213?
CVE-2003-0213 is a high-severity memory corruption vulnerability in n/a, published on 26 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ctrlpacket.c in PoPToP PPTP server before 1.1.4-b3 allows remote attackers to cause a denial of service via a length field of 0 or 1, which causes a negative value to be fed into a read operation, leading to a buffer overflow.
Which versions are affected by CVE-2003-0213?
It affects 1 product.
Products include Poptop Pptp Server.
How do I fix CVE-2003-0213?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2003-0213 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0213 exists.
Public exploit code: 1 Metasploit module and 5 Exploit-DB entries.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2003-0213, DSA-295, GHSA-84m7-68fc-v7c9.