Vulnerabilities
Vulnerable Software
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
CVSS Score
7.5
EPSS Score
0.0
Published
2024-08-13
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
CVSS Score
7.2
EPSS Score
0.0
Published
2024-08-13
TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.
CVSS Score
3.3
EPSS Score
0.0
Published
2023-11-14
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.
CVSS Score
1.9
EPSS Score
0.0
Published
2023-11-14
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
CVSS Score
6.1
EPSS Score
0.0
Published
2023-11-14
Failure to validate the value in APCB may allow a privileged attacker to tamper with the APCB token to force an out-of-bounds memory read potentially resulting in a denial of service.
CVSS Score
1.9
EPSS Score
0.0
Published
2023-11-14
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
CVSS Score
6.7
EPSS Score
0.0
Published
2023-11-14
Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause arbitrary memory values to be initialized to zero, potentially leading to a loss of integrity.
CVSS Score
5.5
EPSS Score
0.0
Published
2023-05-09
A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.
CVSS Score
5.5
EPSS Score
0.001
Published
2023-05-09
Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially leading to a loss of integrity and privilege escalation.
CVSS Score
9.8
EPSS Score
0.002
Published
2023-05-09


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