CVE-2008-2543 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash the Asterisk daemon by sending crafted TCP packets to a port intended for localhost, 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-2008-2543?

CVE-2008-2543 is a medium-severity denial of service vulnerability in n/a, published on 5 Jun 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ooh323 channel driver in Asterisk Addons 1.2.x before 1.2.9 and Asterisk-Addons 1.4.x before 1.4.7 creates a remotely accessible TCP port that is intended solely for localhost communication, and interprets some TCP application-data fields as addresses of memory to free, which allows remote attackers to cause a denial of service (daemon crash) via crafted TCP packets.

Weakness: CWE-399

Which versions are affected by CVE-2008-2543?

It affects 1 product.

Products include Asterisk Asterisk-Addons.

How do I fix CVE-2008-2543?

No fix has been published for CVE-2008-2543 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-2008-2543 being exploited?

There is no known exploitation of CVE-2008-2543 in the wild and no public exploit code.

Sources

Also known as GHSA-hxw2-63x7-78fq.

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