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ID:8852 - Exploit for Files or Directories Accessible to External Parties in Dompdf - CVE-2022-41343
ID:8852 - Exploit for Files or Directories Accessible to External Parties in Dompdf - CVE-2022-41343
Published: February 20, 2023
Vulnerability identifier: #VU72316
Vulnerability risk: High
CVE-ID: CVE-2022-41343
CWE-ID: CWE-552
Exploitation vector: Remote access
Vulnerable software:
Dompdf
Dompdf
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insecure handling of data passed via the "src:url" field of an @font-face Cascading Style Sheets (CSS) statement inside an HTML input file to the registerFont() function in FontMetrics.php. A remote attacker can write arbitrary data to the filesystem (e.g. can create a .php file) and later execute it on the server.
Note, the vulnerability exists due to insufficient patch for #VU72315 (CVE-2022-28368).
Remediation
Install updates from vendor's website.