CVE-2020-24119

A heap buffer overflow read was discovered in upx 4.0.0, because the check in p_lx_elf.cpp is not perfect.

CVSS v3 7.1 HIGH
CVSS v2.0 5.8 MEDIUM

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://cwe.mitre.org/data/definitions/126.html	Technical Description
https://github.com/upx/upx/issues/388	Exploit Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE54WKVU7MATB4WZD3MJFBAHFRJ3NTQX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSQRO7YC72PSYDQG4PQLQYXZTZE3B4YV/
https://cwe.mitre.org/data/definitions/126.html	Technical Description
https://github.com/upx/upx/issues/388	Exploit Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE54WKVU7MATB4WZD3MJFBAHFRJ3NTQX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VSQRO7YC72PSYDQG4PQLQYXZTZE3B4YV/

Configurations

Configuration 1 (hide)

cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

History

11 Apr 2025, 12:27

Type	Values Removed	Values Added
CPE	cpe:2.3:a:upx_project:upx:4.0.0:::::::*	cpe:2.3:a:upx:upx:4.0.0:::::::*
First Time		Upx Upx upx

Information

Published : 2021-05-14 21:15

Updated : 2025-04-11 12:27

NVD link : CVE-2020-24119

Mitre link : CVE-2020-24119

CVE.ORG link : CVE-2020-24119

JSON object : View

Products Affected

fedoraproject

fedora

upx

upx

CWE

CWE-125

Out-of-bounds Read

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