CVE-2018-17076 in GPP
Summary
by MITRE
GPP through 2.25 will try to use more memory space than is available on the stack, leading to a segmentation fault or possibly unspecified other impact via a crafted file.
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Analysis
by VulDB Data Team • 05/16/2023
The vulnerability identified as CVE-2018-17076 affects the GPP (GIMP Print) software version 2.25 and earlier, presenting a critical memory management flaw that can result in system instability and potential exploitation. This issue manifests when the software processes a specially crafted file that triggers excessive stack memory consumption beyond available limits. The root cause lies in the improper handling of memory allocation during file processing operations, where the software fails to adequately validate input parameters and enforce memory boundaries. Such vulnerabilities typically arise from insufficient bounds checking and inadequate stack space management practices within the application's codebase.
The technical implementation of this vulnerability demonstrates a classic stack-based buffer overflow condition that occurs when processing malformed input files. When GPP encounters a crafted file structure, it attempts to allocate memory on the stack that exceeds the allocated buffer size, causing a segmentation fault that terminates the application. However, the impact extends beyond simple application crashes as the vulnerability may potentially allow for more sophisticated exploitation techniques depending on the execution environment and memory layout. This flaw aligns with CWE-121, which categorizes stack-based buffer overflow conditions, and represents a fundamental weakness in memory management practices that can be leveraged by attackers to disrupt service availability or potentially execute arbitrary code.
From an operational perspective, this vulnerability presents significant risks to systems that rely on GPP for print management and document processing tasks. The segmentation fault behavior can lead to denial of service conditions where legitimate print jobs fail to process, disrupting workflow operations in enterprise environments. Organizations utilizing this software for critical printing operations may experience unexpected service interruptions that can cascade into broader operational impacts. The unspecified nature of potential other impacts suggests that under certain conditions, this vulnerability might be exploitable for more severe consequences including privilege escalation or code execution, particularly in environments where the software runs with elevated privileges or where memory corruption can be leveraged for exploitation.
Mitigation strategies for CVE-2018-17076 should prioritize immediate software updates to versions that address the memory management flaws in the GPP implementation. System administrators should implement input validation measures to prevent processing of untrusted files and establish monitoring protocols to detect potential exploitation attempts. The vulnerability's classification under ATT&CK technique T1499.004 for network denial of service indicates that defensive measures should include network segmentation and access controls to limit exposure. Additionally, organizations should consider implementing application whitelisting policies that restrict execution of vulnerable software versions and maintain comprehensive backup and recovery procedures to address potential service disruptions. Security teams should also conduct thorough vulnerability assessments to identify all instances of the affected software within their environments and establish incident response procedures specifically addressing memory corruption vulnerabilities that could lead to system compromise.