CVE-2019-1255 Denial of service in Microsoft Forefront Endpoint Protection
Microsoft Defender suffers from a denial of service vulnerability when improperly handling files, affecting Windows security components.
- 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-2019-1255?
CVE-2019-1255 is a high-severity denial of service vulnerability in Microsoft Forefront Endpoint Protection, published on 23 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'.
Which versions are affected by CVE-2019-1255?
It affects 4 products.
Products include Microsoft Forefront Endpoint Protection 2010, Microsoft Security Essentials, Microsoft System Center Endpoint Protection, Microsoft Windows Defender.
How do I fix CVE-2019-1255?
No fix has been published for CVE-2019-1255 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-2019-1255 being exploited?
There is no known exploitation of CVE-2019-1255 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Forefront Endpoint Protection
- CVE-2020-1163 Privilege escalation in Microsoft Forefront Endpoint Protection
- CVE-2020-1170 Privilege escalation in Microsoft Forefront Endpoint Protection
- CVE-2020-1461 Privilege escalation in Microsoft Forefront Endpoint Protection
- CVE-2020-1002 Privilege escalation in Microsoft Forefront Endpoint Protection
- CVE-2019-1161 Microsoft Defender Elevation of Privilege Vulnerability
Sources
Also known as GHSA-pr8x-gg94-wfq2.