CVE-2006-5445 Denial of service in n/a

High 7.8 Published 23 Oct 2006 Updated 7 Aug 2024

Remote attackers can cause a denial of service in Asterisk by triggering excessive resource consumption in the SIP channel driver.

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

What is CVE-2006-5445?

CVE-2006-5445 is a high-severity denial of service vulnerability in Digium Asterisk, published on 23 Oct 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in the SIP channel driver (channels/chan_sip.c) in Asterisk 1.2.x before 1.2.13 and 1.4.x before 1.4.0-beta3 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors that result in the creation of "a real pvt structure" that uses more resources than necessary.

Which versions are affected by CVE-2006-5445?

It affects 1 product.

Products include Digium Asterisk.

How do I fix CVE-2006-5445?

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-2006-5445 being exploited?

There is no known exploitation of CVE-2006-5445 in the wild and no public exploit code.

All Digium Asterisk vulnerabilities

Sources

Also known as DEBIAN-CVE-2006-5445, GHSA-q76q-55q2-fj65.