// For flags

CVE-2020-21047

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

El componente libcpu que es utilizado por libasm de elfutils versión 0.177 (git 47780c9e), sufre de una vulnerabilidad de denegación de servicio causada por caídas de la aplicación debido a una escritura fuera de límites (CWE-787), por el error off-by-one (CWE-193) y por una aserción alcanzable (CWE-617). Para explotar la vulnerabilidad, los atacantes necesitan crear ciertos archivos ELF que eludan las comprobaciones de límites faltantes.

*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:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-08-13 CVE Reserved
  • 2023-08-22 CVE Published
  • 2024-09-23 EPSS Updated
  • 2024-10-07 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Elfutils Project
Search vendor "Elfutils Project"
 Elfutils
Search vendor "Elfutils Project" for product "Elfutils"
 0.177
Search vendor "Elfutils Project" for product "Elfutils" and version "0.177"
-
Affected