CVE-2023-23457

2023-01-1219:15:24

Alpine Linux Development Team

security.alpinelinux.org

upx

segmentation fault

denial of service

packlinuxelf64

crafted input file

invalid memory address access

upx

unix

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

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.1%

JSON

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

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