CVE-2002-0684 Memory corruption in n/a

High 7.5 Published 31 Jul 2002 Updated 8 Aug 2024

Remote attackers can execute arbitrary code via malicious DNS responses exploiting a buffer overflow in the glibc DNS resolver functions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2002-0684?

CVE-2002-0684 is a high-severity memory corruption vulnerability in Gnu Glibc, published on 31 Jul 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in DNS resolver functions that perform lookup of network names and addresses, as used in BIND 4.9.8 and ported to glibc 2.2.5 and earlier, allows remote malicious DNS servers to execute arbitrary code through a subroutine used by functions such as getnetbyname and getnetbyaddr.

Which versions are affected by CVE-2002-0684?

It affects 2 products.

Products include Gnu Glibc, Isc Bind.

How do I fix CVE-2002-0684?

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-2002-0684 being exploited?

There is no known exploitation of CVE-2002-0684 in the wild and no public exploit code.

All Gnu Glibc vulnerabilities

Sources

Also known as DEBIAN-CVE-2002-0684, GHSA-w4pr-xjh8-387g.