CVE-2020-8432

Gentoo Linux Security Advisory 202405-23

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

En Das U-Boot hasta versión 2020.01, se ha encontrado una doble liberación en la función do_rename_gpt_parts() del archivo cmd/gpt.c. Una doble liberación puede resultar en una condición write-what-where, permitiendo a un atacante ejecutar código arbitrario. NOTA: esta vulnerabilidad fue introducida cuando se intenta corregir una pérdida de memoria identificada mediante análisis estático.

A vulnerability has been discovered in U-Boot tools which can lead to execution of arbitrary code. Versions greater than or equal to 2020.04 are affected.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-29 CVE Reserved
2020-01-29 CVE Published
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-415: Double Free
CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source
https://www.mail-archive.com/u-boot%40lists.denx.de/msg354060.html	X_refsource_misc
https://www.mail-archive.com/u-boot%40lists.denx.de/msg354114.html	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00030.html	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Denx Search vendor "Denx"		U-boot Search vendor "Denx" for product "U-boot"				<= 2020.01 Search vendor "Denx" for product "U-boot" and version " <= 2020.01"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"		-		Affected