CVE-2019-16284 Privilege escalation in Multiple - See https://support.hp.com/rs-en/document/c06456250
Attackers can overwrite EFI boot services to execute arbitrary SMM code, leading to privilege escalation and code execution on HP devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16284?
CVE-2019-16284 is a high-severity vulnerability in Multiple - See https://support.hp.com/rs-en/document/c06456250, published on 5 Nov 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A potential security vulnerability has been identified in multiple HP products and versions which involves possible execution of arbitrary code during boot services that can result in elevation of privilege. The EFI_BOOT_SERVICES structure might be overwritten by an attacker to execute arbitrary SMM (System Management Mode) code. A list of affected products and versions are available in https://support.hp.com/rs-en/document/c06456250.
Which versions are affected by CVE-2019-16284?
It affects 102 products.
Products include Hp 260 G1 Dm Firmware, Hp 280 Pro G1 Firmware, Hp 285 G2 Firmware, Hp 340 G3 Firmware, Hp 340 G4 Firmware, Hp 346 G3 Firmware and 96 more.
How do I fix CVE-2019-16284?
No fix has been published for CVE-2019-16284 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-16284 being exploited?
There is no known exploitation of CVE-2019-16284 in the wild and no public exploit code.
Sources
Also known as GHSA-8x49-r627-jgw5.