Trusted Boot (tboot) before 1.8.2 has a 'loader.c' Security Bypass Vulnerability
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | 1.8 | 3.6 |
CVSS 2.0
Severity: LOW
Problem Type: CWE-20,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| fedoraproject | fedora | 19 |
| fedoraproject | fedora | 20 |
| trusted_boot_project | trusted_boot | * |
| redhat | enterprise_linux | 6.0 |
| redhat | enterprise_linux | 7.0 |
Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users to overwrite dynamic PCRs of Trusted Platform Module (TPM) by hooking these function pointers.
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-20,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| trusted_boot_project | trusted_boot | 1.9.6 |