// For flags

CVE-2020-27798

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An invalid memory address reference was discovered in the adjABS function in p_lx_elf.cpp in UPX 4.0.0 via a crafted Mach-O file.

Se ha detectado una referencia a una dirección de memoria no válida en la función adjABS en el archivo p_lx_elf.cpp en UPX versión 4.0.0, por medio de un archivo Mach-O diseñado.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-27 CVE Reserved
  • 2022-08-25 CVE Published
  • 2024-03-17 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-763: Release of Invalid Pointer or Reference
CAPEC
References (1)
URL Tag Source
URL Date SRC
https://github.com/upx/upx/issues/396 2024-08-04
URL Date SRC
URL Date SRC
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"
4.0.0
Search vendor "Upx Project" for product "Upx" and version "4.0.0"
-
Affected