CVE-2010-0500 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service by blacklisting SSH clients via crafted DNS PTR records in macOS Event Monitor.

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-2010-0500?

CVE-2010-0500 is a high-severity denial of service vulnerability in Apple Mac Os X, published on 30 Mar 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Event Monitor in Apple Mac OS X before 10.6.3 does not properly validate hostnames of SSH clients, which allows remote attackers to cause a denial of service (arbitrary client blacklisting) via a crafted DNS PTR record, related to a "plist injection issue."

Weakness: CWE-20

Which versions are affected by CVE-2010-0500?

It affects 2 products.

Products include Apple Mac Os X, Apple Mac Os X Server.

How do I fix CVE-2010-0500?

No fix has been published for CVE-2010-0500 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-2010-0500 being exploited?

There is no known exploitation of CVE-2010-0500 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-vfq8-637p-vg8j.

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