CyberRota Analysis
AI-GeneratedDompdf versions 3.15 and earlier are vulnerable to an attack that allows an external, unauthenticated user to read arbitrary files from the server's file system by embedding a target file path within an SVG image using a data URI. This occurs due to insufficient path validation during the processing of SVG files, which can lead to unauthorized access to sensitive information. Organizations using affected versions of Dompdf should prioritize upgrading to version 3.16 to mitigate this risk.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, aAn attacker who controls the HTML input can bypass this restriction by embedding a target file path inside an SVG image delivered through a data: URI, because dompdf processes the SVG twice and the second pass does not enforce the same protections as the first. When rendering, dompdf hands the SVG to the separate php-svg-lib library with external references forced on, and that library has no knowledge of the chroot directory, blocks only the phar:// scheme, and ultimately reads the referenced file with no path or protocol validation. This lets an external, unauthenticated attacker read arbitrary image files from the server's file system in the default configuration. This issue has been fixed in version 3.16.
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