// For flags

CVE-2022-29970

sinatra: path traversal possible outside of public_dir when serving static files

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.

Sinatra versiones anteriores a 2.2.0, no comprueba que la ruta expandida coincida con public_dir cuando sirve archivos estáticos

A flaw was found in Sinatra when serving static files from the public directory. The requested path is not validated if it is in the public directory, allowing files outside of the public directory to be served.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-02 CVE Reserved
  • 2022-05-02 CVE Published
  • 2023-11-23 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Sinatrarb
Search vendor "Sinatrarb"
 Sinatra
Search vendor "Sinatrarb" for product "Sinatra"
 < 2.2.0
Search vendor "Sinatrarb" for product "Sinatra" and version " < 2.2.0"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 10.0
Search vendor "Debian" for product "Debian Linux" and version "10.0"
-
Affected