CVE-2023-23457

Upx: segv on packlinuxelf64::invert_pt_dynamic() in p_lx_elf.cpp

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se encontró una falla de segmentación en UPX en PackLinuxElf64::invert_pt_dynamic() en p_lx_elf.cpp. Un atacante con un archivo de entrada manipulado permite el acceso a una dirección de memoria no válida que podría provocar una denegación de servicio.

*Credits: Red Hat would like to thank Chenweijia for reporting this issue.

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-01-12 CVE Reserved
2023-01-12 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-09-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://github.com/upx/upx/issues/631	2024-08-02

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=2160382	2024-04-19
https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860	2024-04-19

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI	2024-04-19
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ	2024-04-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Upx Project Search vendor "Upx Project"		Upx Search vendor "Upx Project" for product "Upx"				< 2022-11-23 Search vendor "Upx Project" for product "Upx" and version " < 2022-11-23"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected