CVE-2020-14308
Global infos:
In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.
CVE Status: Modified
References:
Metrics:
| Attribute | Value |
|---|---|
| Attack Complexity | HIGH |
| Attack Vector | LOCAL |
| Availability Impact | HIGH |
| Base Score | 6.4 |
| Base Severity | MEDIUM |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Privileges Required | HIGH |
| Scope | UNCHANGED |
| User Interaction | NONE |
| Vector String | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Exploitability Score | 0.5 |
| Impact Score | 5.9 |
| Source | [email protected] |
| Type | Primary |