CVE-2021-43691 Path traversal in n/a
Attacker can manipulate file paths via command-line arguments to read arbitrary files or execute code in the dompdf library.
- 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-2021-43691?
CVE-2021-43691 is a critical path traversal vulnerability in n/a, published on 29 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
tripexpress v1.1 is affected by a path manipulation vulnerability in file system/helpers/dompdf/load_font.php. The variable src is coming from $_SERVER["argv"] then there is a path manipulation vulnerability.
Weakness: CWE-22
Which versions are affected by CVE-2021-43691?
It affects 1 product.
Products include Tripexpress Project Tripexpress.
How do I fix CVE-2021-43691?
No fix has been published for CVE-2021-43691 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-2021-43691 being exploited?
There is no known exploitation of CVE-2021-43691 in the wild and no public exploit code.
Sources
Also known as GHSA-42jq-8pvg-2649.