// For flags

CVE-2018-20835

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content.

Fue encontrada una vulnerabilidad en tar-FS anterior a la versión 1.16.2. Existe un problema de sobrescritura de archivo arbitrario cuando se extrae un tarball que contiene un hardlink en un archivo que ya existe en el sistema, junto con un archivo sin formato con el mismo nombre que el hardlink. Este contenido de archivo sin formato reemplaza el contenido del archivo existente.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-04-30 First Exploit
  • 2019-04-30 CVE Reserved
  • 2019-04-30 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Tar-fs Project
Search vendor "Tar-fs Project"
 Tar-fs
Search vendor "Tar-fs Project" for product "Tar-fs"
 < 1.16.2
Search vendor "Tar-fs Project" for product "Tar-fs" and version " < 1.16.2"
-
Affected