CVE-2021-43778 Path traversal in GLPI barcode plugin
An attacker can exploit a path traversal vulnerability in the GLPI barcode plugin to read arbitrary files from the server.
- 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-2021-43778?
CVE-2021-43778 is a critical path traversal vulnerability in pluginsGLPI barcode, published on 24 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Barcode is a GLPI plugin for printing barcodes and QR codes. GLPI instances version 2.x prior to version 2.6.1 with the barcode plugin installed are vulnerable to a path traversal vulnerability. This issue was patched in version 2.6.1. As a workaround, delete the `front/send.php` file.
Weakness: CWE-22
Which versions are affected by CVE-2021-43778?
It affects 1 product.
Products include Glpi-Project Barcode.
How do I fix CVE-2021-43778?
No fix has been published for CVE-2021-43778 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-2021-43778 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43778 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-2pjh-h828-wcw9.