CVE-2008-4543 Denial of service in n/a

High 7.1 Published Updated

Remote attackers can cause denial of service via session exhaustion in Cisco Unity when anonymous authentication is enabled.

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-2008-4543?

CVE-2008-4543 is a high-severity denial of service vulnerability in n/a, published on 13 Oct 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity authentication), allows remote attackers to cause a denial of service (session exhaustion) via a large number of connections.

Weakness: CWE-399

Which versions are affected by CVE-2008-4543?

It affects 1 product.

Products include Cisco Unity.

How do I fix CVE-2008-4543?

No fix has been published for CVE-2008-4543 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-2008-4543 being exploited?

There is no known exploitation of CVE-2008-4543 in the wild and no public exploit code.

Sources

Also known as GHSA-62cp-8pc2-pfp9.

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