CVE-2023-4028 Memory corruption in Lenovo Notebook
A buffer overflow in Lenovo Notebook firmware allows local attackers with elevated privileges to execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4028?
CVE-2023-4028 is a medium-severity memory corruption vulnerability in Lenovo Notebook, published on 17 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow has been identified in the SystemUserMasterHddPwdDxe driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.
Weakness: CWE-120
Which versions are affected by CVE-2023-4028?
It affects 29 products.
Products include Lenovo 13w Yoga Firmware, Lenovo 13w Yoga Gen 2 Firmware, Lenovo Flex 5-14alc05 Firmware, Lenovo Flex 5-14are05 Firmware, Lenovo Flex 5-14iil05 Firmware, Lenovo Flex 5-14itl05 Firmware and 23 more.
How do I fix CVE-2023-4028?
No fix has been published for CVE-2023-4028 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-2023-4028 being exploited?
There is no known exploitation of CVE-2023-4028 in the wild and no public exploit code.
Sources
Also known as GHSA-xgcf-cppw-j442.