CVE-2002-0423 Memory corruption in n/a
Remote attackers can trigger a buffer overflow in efingerd via reverse DNS lookups, potentially executing arbitrary code or causing denial of service.
- 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-2002-0423?
CVE-2002-0423 is a critical memory corruption vulnerability in n/a, published on 2 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup.
Which versions are affected by CVE-2002-0423?
It affects 1 product.
Products include Efingerd Efingerd.
How do I fix CVE-2002-0423?
No fix has been published for CVE-2002-0423 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-2002-0423 being exploited?
There is no known exploitation of CVE-2002-0423 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9422-v7w3-rvrq.