Vulnerability CVE-2019-18279
Published: 2019-11-13   Modified: 2019-11-14

Description:
In Phoenix SCT WinFlash 1.1.12.0 through 1.5.74.0, the included drivers could be used by a malicious Windows application to gain elevated privileges. Adverse impacts are limited to the Windows environment and there is no known direct impact to the UEFI firmware. This was fixed in late June 2019.

Type:

CWE-269

 (Improper Privilege Management)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Phoenix -> Securecore technology 

 References:
https://eclypsium.com/2019/08/10/screwed-drivers-signed-sealed-delivered/
https://eclypsium.com/wp-content/uploads/2019/08/EXTERNAL-Get-off-the-kernel-if-you-cant-drive-DEFCON27.pdf
https://www.phoenix.com/content/uploads/Security-Newsletter-September-2019.pdf
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