CVE-2021-20233 log
| Source |
|
| Severity | Medium |
| Remote | No |
| Type | Arbitrary code execution |
| Description | There's a flaw in GRUB2 menu rendering code setparam_prefix() in the menu rendering code. It performs a length calculation under the assumption that expressing a quoted single quote will require 3 characters, while it actually requires 4 characters. This allow an attacker to corrupt memory by one byte for each quote in the input. |
| Group | Package | Affected | Fixed | Severity | Status | Ticket |
|---|---|---|---|---|---|---|
| AVG-1629 | grub | 2:2.04-10 | 2:2.06-1 | Medium | Fixed |
| Date | Advisory | Group | Package | Severity | Type |
|---|---|---|---|---|---|
| 15 Jun 2021 | ASA-202106-43 | AVG-1629 | grub | Medium | multiple issues |
| References |
|---|
https://lists.gnu.org/archive/html/grub-devel/2021-03/msg00007.html https://git.savannah.gnu.org/gitweb/?p=grub.git;a=commit;h=2f533a89a8dfcacbf2c9dbc77d910f111f24bf33 |