CVE-2018-25375: SocuSoft iPod Photo Slideshow Overflow

CVE-2018-25375 Overview

CVE-2018-25375 is a stack-based buffer overflow vulnerability [CWE-121] in SocuSoft iPod Photo Slideshow version 8.05. The flaw exists in the application's registration dialog, where unbounded input written to the Registration Name and Registration Key fields overflows a fixed-size stack buffer. Attackers can overwrite the Structured Exception Handler (SEH) pointer to redirect execution into attacker-controlled shellcode. Public exploit material demonstrates a reverse shell payload delivered through this primitive.

Critical Impact
A local attacker who supplies a crafted registration string can execute arbitrary code in the context of the user running iPod Photo Slideshow 8.05.

Affected Products

SocuSoft iPod Photo Slideshow 8.05
Earlier 8.x builds sharing the same registration dialog code path
Bundled DVD Photo Slideshow distributions that embed the same component

Discovery Timeline

2018-09-07 - Proof-of-concept published as Exploit-DB #45350
2026-05-25 - CVE-2018-25375 published to NVD
2026-05-26 - Last updated in NVD database

Technical Details for CVE-2018-25375

Vulnerability Analysis

The vulnerability is a classic stack-based buffer overflow reached through user-controlled input fields in the application's registration dialog. When the user clicks the register button, the application copies the contents of the Registration Name and Registration Key fields into a fixed-size stack buffer without validating input length. Excess bytes overwrite adjacent stack data, including the saved frame pointer, return address, and the SEH record installed earlier in the function prologue.

Because the binary lacks SafeSEH and SEHOP protections, an attacker can overwrite the SEH nseh and seh pointers with addresses that pivot execution into the supplied buffer. Triggering an exception after the overflow transfers control to the attacker-supplied gadget chain, which then executes the shellcode placed inline with the registration string. The public proof of concept demonstrates this primitive by spawning a reverse shell back to the attacker.

Root Cause

The registration handler relies on an unbounded string copy into a fixed-size stack buffer. Compiler and linker mitigations such as /GS stack cookies, SafeSEH, and ASLR are not consistently applied across the binary, leaving the SEH chain reachable and reliable as a control-flow hijack target.

Attack Vector

Exploitation is local. An attacker with the ability to launch the application and interact with the registration dialog supplies a crafted string in the registration fields. The same primitive can be reached by enticing a user to open a .reg-style payload or pre-populated configuration that auto-fills the dialog. See the VulnCheck advisory and Exploit-DB #45350 for the published proof of concept.

Detection Methods for CVE-2018-25375

Indicators of Compromise

Unexpected child processes spawned by the iPod Photo Slideshow executable, particularly cmd.exe, powershell.exe, or network utilities
Outbound TCP connections from the slideshow process to non-vendor infrastructure, consistent with reverse shell callbacks
Application crash events in the Windows Event Log referencing access violations in the registration dialog code path

Detection Strategies

Hunt for process lineage where SocuSoft slideshow binaries spawn interactive shells or scripting interpreters
Alert on stack execution or SEH overwrite exceptions reported by Windows Error Reporting for the affected binary
Correlate dialog interaction with subsequent network egress from the same process within a short time window

Monitoring Recommendations

Enable command-line and module-load telemetry on hosts where legacy multimedia tools remain installed
Capture network flow data to identify reverse shell beacons originating from desktop applications
Track installation inventory for end-of-life SocuSoft products and flag them for removal

How to Mitigate CVE-2018-25375

Immediate Actions Required

Uninstall SocuSoft iPod Photo Slideshow 8.05 from all endpoints where it is not business-critical
Restrict execution of the affected binary through application allowlisting until removal is complete
Block outbound connections from the application at the host firewall to contain reverse shell payloads

Patch Information

No vendor patch is referenced in the available advisories for CVE-2018-25375. The product is legacy consumer software, and the VulnCheck advisory does not list a fixed version. Organizations should treat the software as end-of-life and remove it.

Workarounds

Remove the application and replace it with a maintained slideshow tool from an active vendor
Enforce Windows Defender Exploit Guard policies such as SEHOP and ASLR enforcement for the binary if it must remain installed
Run the application only under a low-privilege, network-isolated account to limit blast radius

bash

# Enforce SEHOP and mandatory ASLR for the affected binary using PowerShell
Set-ProcessMitigation -Name "iPodPhotoSlideshow.exe" -Enable SEHOP,ForceRelocateImages,BottomUp,DEP