CVE-2007-2192 in Photofiltre Studio
Summary
by MITRE
Buffer overflow in Photofiltre Studio 8.1.1 allows user-assisted remote attackers to execute arbitrary code via a crafted .tif file.
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Analysis
by VulDB Data Team • 09/08/2024
The vulnerability identified as CVE-2007-2192 represents a critical buffer overflow flaw within Photofiltre Studio version 8.1.1 that fundamentally compromises the application's memory management integrity. This issue arises from inadequate input validation when processing specially crafted tag image file format .tif files, creating an exploitable condition that can be leveraged by remote attackers to gain unauthorized code execution privileges. The flaw specifically manifests during the parsing of image metadata within the .tif file structure, where insufficient bounds checking allows malicious data to overwrite adjacent memory regions beyond the allocated buffer boundaries.
The technical exploitation of this vulnerability aligns with common software security weaknesses categorized under CWE-121, which describes heap-based buffer overflow conditions where insufficient bounds checking permits memory corruption. Attackers can construct malicious .tif files containing oversized data structures that, when processed by Photofiltre Studio, trigger the buffer overflow. This memory corruption can potentially overwrite critical program execution pointers, return addresses, or function variables, enabling attackers to redirect program flow and execute arbitrary code within the context of the application's privileges. The vulnerability's remote exploitability stems from the fact that Photofiltre Studio's image processing capabilities can be triggered through network-based file transfers, making it particularly dangerous in environments where users might unknowingly open malicious files.
The operational impact of this vulnerability extends beyond simple code execution, as it can lead to complete system compromise when attackers leverage the privilege escalation capabilities inherent in buffer overflow exploits. The affected application environment becomes susceptible to various attack vectors including but not limited to persistent backdoor installation, privilege escalation to system-level access, and potential lateral movement within networked environments. Organizations using Photofiltre Studio in professional imaging workflows face significant risk exposure, particularly in collaborative environments where file sharing occurs across untrusted networks. The vulnerability's user-assisted nature means that successful exploitation typically requires social engineering to convince users to open malicious files, but once triggered, the attack can be fully automated and persistent.
Mitigation strategies for CVE-2007-2192 should prioritize immediate application patching through official vendor updates or security patches, as the vulnerability has been widely documented and remediated in subsequent software versions. System administrators should implement network-based security controls including file type filtering and content scanning for .tif files, particularly in environments where users have unrestricted access to file processing applications. The principle of least privilege should be enforced by running Photofiltre Studio with reduced privileges and implementing sandboxing mechanisms to contain potential exploitation attempts. Additionally, network segmentation and monitoring should be enhanced to detect unusual file processing activities that might indicate exploitation attempts, with security teams maintaining continuous vigilance for indicators of compromise related to this specific vulnerability pattern. Organizations should also consider implementing automated patch management systems to ensure all instances of the vulnerable software are promptly updated, as the attack surface for this particular vulnerability remains significant in legacy environments where software updates may not be regularly applied.