Unchecked Return Value in edk2 - CVE-2019-14560
Published: November 24, 2023
Vulnerability identifier: #VU83486
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-14560
CWE-ID: CWE-252
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: TianoCore
Affected software:
edk2
edk2
Detailed vulnerability description
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to an unchecked return value within the DxeImageVerificationHandler() function in SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c. A local user can bypass the secure boot protection.
How to mitigate CVE-2019-14560
Install updates from vendor's website.