CVE-2011-1786 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash the lsassd daemon in Likewise Open/Enterprise via a malformed Active Directory login attempt, 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-2011-1786?

CVE-2011-1786 is a medium-severity denial of service vulnerability in Vmware Esx, published on 3 May 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

lsassd in Likewise Open /Enterprise 5.3 before build 7845, Open 6.0 before build 8325, and Enterprise 6.0 before build 178, as distributed in VMware ESXi 4.1 and ESX 4.1 and possibly other products, allows remote attackers to cause a denial of service (daemon crash) via an Active Directory login attempt that provides a username containing an invalid byte sequence.

Weakness: CWE-399

Which versions are affected by CVE-2011-1786?

It affects 3 products.

Products include Likewise Likewise Open, Vmware Esx, Vmware Esxi.

How do I fix CVE-2011-1786?

No fix has been published for CVE-2011-1786 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-2011-1786 being exploited?

There is no known exploitation of CVE-2011-1786 in the wild and no public exploit code.

All Vmware Esx vulnerabilities

Sources

Also known as GHSA-59fm-p4x5-qvjv.

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