CVE-2020-8432

2020-01-2900:00:00

ubuntu.com

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.008 Low

EPSS

Percentile

82.2%

JSON

In Das U-Boot through 2020.01, a double free has been found in the
cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a
write-what-where condition, allowing an attacker to execute arbitrary code.
NOTE: this vulnerablity was introduced when attempting to fix a memory leak
identified by static analysis.

Notes

Author	Note
mdeslaur	per thread, introduced by: https://gitlab.denx.de/u-boot/u-boot/commit/18030d04

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchu-boot< 2020.10+dfsg-1ubuntu0~18.04.2UNKNOWN
ubuntu20.04noarchu-boot< 2021.01+dfsg-3ubuntu0~20.04.3UNKNOWN