CVE-2009-0077 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause a denial of service in Microsoft Forefront TMG and ISA Server by sending crafted packets that exhaust web listener session states.

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-2009-0077?

CVE-2009-0077 is a medium-severity denial of service vulnerability in n/a, published on 15 Apr 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The firewall engine in Microsoft Forefront Threat Management Gateway, Medium Business Edition (TMG MBE); and Internet Security and Acceleration (ISA) Server 2004 SP3, 2006, 2006 Supportability Update, and 2006 SP1; does not properly manage the session state of web listeners, which allows remote attackers to cause a denial of service (many stale sessions) via crafted packets, aka "Web Proxy TCP State Limited Denial of Service Vulnerability."

Which versions are affected by CVE-2009-0077?

It affects 2 products.

Products include Microsoft Forefront Threat Management Gateway, Microsoft Internet Security and Acceleration Server.

How do I fix CVE-2009-0077?

No fix has been published for CVE-2009-0077 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-2009-0077 being exploited?

There is no known exploitation of CVE-2009-0077 in the wild and no public exploit code.

Sources

Also known as GHSA-9rc2-2223-5qcp.

Is CVE-2009-0077 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free