CVE-2019-12276 Path traversal in n/a
Remote unauthenticated attackers can retrieve arbitrary files from the web server via crafted HTTP requests in GrandNode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-12276?
CVE-2019-12276 is a high-severity path traversal vulnerability in n/a, published on 5 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2019-12276?
It affects 1 product.
Products include Grandnode Grandnode.
How do I fix CVE-2019-12276?
No fix has been published for CVE-2019-12276 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-12276 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-12276 exists.
Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.
Sources
Also known as GHSA-jf62-vqvf-vq54.