Vulnerability CVE-2019-12276
Published: 2019-06-05

Description:
A Path Traversal vulnerability in Controllers/LetsEncryptController.cs in LetsEncryptController in GrandNode 4.40 allows remote, unauthenticated attackers to retrieve arbitrary files on the web server via specially crafted LetsEncrypt/Index?fileName= HTTP requests. A patch for this issue was made on 2019-05-30 in GrandNode 4.40.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
GrandNode 4.40 Path Traversal / File Download
Corey Robinson
25.06.2019

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Grandnode -> Grandnode 

 References:
http://packetstormsecurity.com/files/153373/GrandNode-4.40-Path-Traversal-File-Download.html
https://github.com/grandnode/grandnode
https://grandnode.com
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