CVE-2015-0949 Privilege escalation in EliteBook 850 G1
Local attackers can bypass Secure Boot and gain privileges by exploiting improper SMRAM memory checks in Dell and HP laptop BIOS implementations.
- 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-2015-0949?
CVE-2015-0949 is a high-severity vulnerability in Dell EliteBook 850 G1, published on 30 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The System Management Mode (SMM) implementation in Dell Latitude E6430 BIOS Revision A09, HP EliteBook 850 G1 BIOS revision L71 Ver. 01.09, and possibly other BIOS implementations does not ensure that function calls operate on SMRAM memory locations, which allows local users to bypass the Secure Boot protection mechanism and gain privileges by leveraging write access to physical memory.
Weakness: CWE-269
Which versions are affected by CVE-2015-0949?
It affects 2 products.
Products include Dell Latitude E6430 Firmware, Hp Elitebook 850 G1 Firmware.
How do I fix CVE-2015-0949?
No fix has been published for CVE-2015-0949 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-0949 being exploited?
There is no known exploitation of CVE-2015-0949 in the wild and no public exploit code.
Sources
Also known as GHSA-fqcw-m4jp-3m5h.