CVE-2014-2383 DOMPDF Arbitrary File Read
Attackers can read arbitrary files and bypass chroot protections in dompdf when PHP wrappers are enabled via the input_file parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-2383?
CVE-2014-2383 is a medium-severity path traversal vulnerability in n/a, published on 28 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
dompdf.php in dompdf before 0.6.1, when DOMPDF_ENABLE_PHP is enabled, allows context-dependent attackers to bypass chroot protections and read arbitrary files via a PHP protocol and wrappers in the input_file parameter, as demonstrated by a php://filter/read=convert.base64-encode/resource in the input_file parameter.
Weakness: CWE-200
Which versions are affected by CVE-2014-2383?
2 open source packages ship an affected version, including dompdf/dompdf. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
dompdf/dompdf Packagist | From 0.6.0 | 0.6.1 |
dompdf/dompdf Packagist | From 0.6.0 | 0.6.1 |
Products include Dompdf Dompdf.
How do I fix CVE-2014-2383?
Upgrade dompdf/dompdf to 0.6.1 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2014-2383 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2014-2383 exists.
Public exploit code: 1 Exploit-DB entry, 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as DEBIAN-CVE-2014-2383, GHSA-qr6q-w4gj-3865.