CVE-2002-0509 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause denial of service via CPU consumption by sending a malformed TCP packet to the Oracle TNS Listener.

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-2002-0509?

CVE-2002-0509 is a medium-severity denial of service vulnerability in Oracle Oracle9i, published on 11 Jun 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Transparent Network Substrate (TNS) Listener in Oracle 9i 9.0.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a single malformed TCP packet to port 1521.

Which versions are affected by CVE-2002-0509?

It affects 1 product.

Products include Oracle Oracle9i.

How do I fix CVE-2002-0509?

No fix has been published for CVE-2002-0509 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2002-0509 being exploited?

There is no known exploitation of CVE-2002-0509 in the wild and no public exploit code.

All Oracle Oracle9i vulnerabilities

Sources

Also known as GHSA-3fmr-rjpp-p943.

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