CVE-2023-23456

2023-01-1219:15:24

Alpine Linux Development Team

security.alpinelinux.org

heap-based buffer overflow

upx

denial of service

crafted file

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

31.9%

JSON

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.

OSVersionArchitecturePackageVersionFilename
Alpineedge-communitynoarchupx< 4.0.2-r0UNKNOWN
Alpine3.17-communitynoarchupx< 4.0.2-r0UNKNOWN
Alpine3.18-communitynoarchupx< 4.0.2-r0UNKNOWN
Alpine3.19-communitynoarchupx< 4.0.2-r0UNKNOWN
Alpine3.20-communitynoarchupx< 4.0.2-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-community	noarch	upx	< 4.0.2-r0	UNKNOWN
Alpine	3.17-community	noarch	upx	< 4.0.2-r0	UNKNOWN
Alpine	3.18-community	noarch	upx	< 4.0.2-r0	UNKNOWN
Alpine	3.19-community	noarch	upx	< 4.0.2-r0	UNKNOWN
Alpine	3.20-community	noarch	upx	< 4.0.2-r0	UNKNOWN