In Das U-Boot versions 2016.11-rc1 through 2019.07-rc4, an underflow can cause memcpy() to overwrite a very large amount of data (including the whole stack) while reading a crafted ext4 filesystem.
En Das U-Boot versiones 2016.11-rc1 hasta 2019.07-rc4, un subdesbordamiento puede hacer que la función memcpy() sobrescriba una gran cantidad de datos (incluyendo toda la pila) mientras lee un sistema de archivos ext4 diseñado.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | NONE |
| User Interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
AV:N/AC:M/Au:N/C:P/I:P/A:P
| Access Vector | NETWORK |
|---|---|
| Access Complexity | MEDIUM |
| Authentication | NONE |
| Confidentiality Impact | PARTIAL |
| Integrity Impact | PARTIAL |
| Availability Impact | PARTIAL |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-191
en
CWE-787
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| denx | u-boot | * | <built-in method update of dict object at 0x7b06ff12b680> | Application |
| denx | u-boot | 2019.07 | <built-in method update of dict object at 0x7b0704930400> | Application |
| denx | u-boot | 2019.07 | <built-in method update of dict object at 0x7b06e9c70700> | Application |
| denx | u-boot | 2019.07 | <built-in method update of dict object at 0x7b06ff12b780> | Application |
| denx | u-boot | 2019.07 | <built-in method update of dict object at 0x7b06ff12ac00> | Application |
| denx | u-boot | 2019.07 | <built-in method update of dict object at 0x7b06ff129c40> | Application |
| opensuse | leap | 15.0 | <built-in method update of dict object at 0x7b0704930b00> | Operating System |
| opensuse | leap | 15.1 | <built-in method update of dict object at 0x7b07049312c0> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:* |
| Yes | cpe:2.3:a:denx:u-boot:2019.07:-:*:*:*:*:*:* |
| Yes | cpe:2.3:a:denx:u-boot:2019.07:rc1:*:*:*:*:*:* |
| Yes | cpe:2.3:a:denx:u-boot:2019.07:rc2:*:*:*:*:*:* |
| Yes | cpe:2.3:a:denx:u-boot:2019.07:rc3:*:*:*:*:*:* |
| Yes | cpe:2.3:a:denx:u-boot:2019.07:rc4:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |