CVE-2009-0937 Denial of service in n/a

Medium 5.0 Published Updated

Directory mirrors can cause a denial of service in Tor, affecting anonymity network availability.

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

What is CVE-2009-0937?

CVE-2009-0937 is a medium-severity denial of service vulnerability in Tor Tor, published on 18 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in Tor before 0.2.0.34 allows directory mirrors to cause a denial of service via unknown vectors.

Which versions are affected by CVE-2009-0937?

It affects 1 product.

Products include Tor Tor.

How do I fix CVE-2009-0937?

Upgrade to a fixed version.

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-2009-0937 being exploited?

There is no known exploitation of CVE-2009-0937 in the wild and no public exploit code.

All Tor Tor vulnerabilities

Sources

Also known as DEBIAN-CVE-2009-0937, GHSA-gq7c-p43x-m4p5.

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