CVE-2025-34106

Description

A buffer overflow vulnerability exists in PDF Shaper versions 3.5 and 3.6 when converting a crafted PDF file to an image using the 'Convert PDF to Image' functionality. An attacker can exploit this vulnerability by tricking a user into opening a maliciously crafted PDF file, leading to arbitrary code execution under the context of the user. This vulnerability has been verified on Windows XP, 7, 8, and 10 platforms using the PDFTools.exe component.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

References

Other References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/shaper_pdf_bof.rb https://vulners.com/vulnerlab/VULNERABLE:1579 https://www.exploit-db.com/exploits/37760 https://www.pdfshaper.com/ https://www.vulncheck.com/advisories/pdf-shaper-buffer-overflow-via-convert-to-image-feature

Frequently Asked Questions

What is CVE-2025-34106? +

A buffer overflow vulnerability exists in PDF Shaper versions 3.5 and 3.6 when converting a crafted PDF file to an image using the 'Convert PDF to Image' functionality. An attacker can exploit this vulnerability by tricking a user into opening a maliciously crafted PDF file, leading to arbitrary code execution under the context of the user. This vulnerability has been verified on Windows XP, 7, 8, and 10 platforms using the PDFTools.exe component.

How do I check if I'm vulnerable to CVE-2025-34106? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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