CVE-2019-4036 Denial of service in Security Access Manager

High 7.5 Published Updated

An unauthenticated attacker can cause a denial of service in the reverse proxy component of IBM Security Access Manager Appliance.

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-2019-4036?

CVE-2019-4036 is a high-severity denial of service vulnerability in IBM Security Access Manager, published on 25 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Security Access Manager Appliance could allow unauthenticated attacker to cause a denial of service in the reverse proxy component. IBM X-Force ID: 156159.

Which versions are affected by CVE-2019-4036?

It affects 1 product.

Products include Ibm Security Access Manager.

How do I fix CVE-2019-4036?

No fix has been published for CVE-2019-4036 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-2019-4036 being exploited?

There is no known exploitation of CVE-2019-4036 in the wild and no public exploit code.

Sources

Also known as GHSA-8867-44g6-7grf.

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