CVE-2021-31844 Local Privilege Escalation in McAfee DLP Endpoint for Windows
A local attacker can execute arbitrary code with elevated privileges by placing a malicious Ami Pro file on the system to trigger a buffer overflow in McAfee DLP Endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-31844?
CVE-2021-31844 is a high-severity memory corruption vulnerability in McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows, published on 17 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A buffer overflow vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.200 allows a local attacker to execute arbitrary code with elevated privileges through placing carefully constructed Ami Pro (.sam) files onto the local system and triggering a DLP Endpoint scan through accessing a file. This is caused by the destination buffer being of fixed size and incorrect checks being made on the source size.
Weakness: CWE-120
Which versions are affected by CVE-2021-31844?
It affects 1 product.
Products include Mcafee Data Loss Prevention Endpoint.
How do I fix CVE-2021-31844?
No fix has been published for CVE-2021-31844 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-31844 being exploited?
There is no known exploitation of CVE-2021-31844 in the wild and no public exploit code.
Other vulnerabilities in McAfee,LLC McAfee Data Loss Prevention (DLP) Endpoint for Windows
- CVE-2021-31848 Data Loss Prevention (DLP) ePO extension - Cross site scripting (XSS)
- CVE-2021-31849 Data Loss Prevention (DLP) ePO extension - SQL injection
- CVE-2021-23887 Privilege escalation in McAfee DLP Endpoint for Windows
- CVE-2016-8012 Privilege escalation in Data Loss Prevention Endpoint (DLPe)
- CVE-2019-3622 DLP Endpoint log file redirection to arbitrary locations
Sources
Also known as GHSA-88gm-mqfx-w7ch.