Vulnerability identifier: #VU60274
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-822
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
AhciBusDxe
Hardware solutions /
Drivers
Vendor:
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to untrusted pointer dereference error in SMM (System Management Mode) branch that registers a SWSMI handler. A remote attacker can use this unsafe pointer "current_ptr" to read or write or manipulate data into SMRAM.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://www.insyde.com/security-pledge
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.