What’s Vulnerable › Vulnerabilities

CVE-2013-10057: Synactis PDF In-The-Box ConnectToSynactic Stack-Based Buffer Overflow

• Severity: high (CVSS 7.5 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-01 · updated 2026-06-16
• Weakness: CWE-94

Description

A stack-based buffer overflow vulnerability exists in Synactis PDF In-The-Box ActiveX control (PDF_IN_1.ocx), specifically the ConnectToSynactis method. When a long string is passed to this method—intended to populate the ldCmdLine argument of a WinExec call—a strcpy operation overwrites a saved TRegistry class pointer on the stack. This allows remote attackers to execute arbitrary code in the context of the user by enticing them to visit a malicious webpage that instantiates the vulnerable ActiveX control. The vulnerability was discovered via its use in third-party software such as Logic Print 2013.

Affected products

• Synactis PDF In-The-Box: all versions

References

• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/synactis_connecttosynactis_bof.rb
• https://www.exploit-db.com/exploits/25835
• https://www.fortiguard.com/encyclopedia/ips/35840/synactis-pdf-in-the-box-connecttosynactic-buffer-overflow
• https://www.synactis.com/pdf-in-the-box.htm
• https://www.vulncheck.com/advisories/synactis-pdf-in-the-box-connectosynactic-stack-based-buffer-overflow
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/synactis_connecttosynactis_bof.rb
• https://www.exploit-db.com/exploits/25835

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