CVE-2020-8750 Use after free in Intel(R) TXE
An authenticated local attacker can exploit a use-after-free in Intel TXE firmware to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8750?
CVE-2020-8750 is a high-severity use after free vulnerability in Intel(R) TXE, published on 12 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use after free in Kernel Mode Driver for Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an authenticated user to potentially enable escalation of privilege via local access.
Weakness: CWE-416
Which versions are affected by CVE-2020-8750?
It affects 1 product.
Products include Intel Trusted Execution Engine.
How do I fix CVE-2020-8750?
No fix has been published for CVE-2020-8750 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-8750 being exploited?
There is no known exploitation of CVE-2020-8750 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) TXE
Sources
Also known as GHSA-q952-vrp9-648w.