CVE-2017-1000073 in Gravity
Summary
by MITRE
Creolabs Gravity version 1.0 is vulnerable to a heap overflow in an undisclosed component that can result in arbitrary code execution.
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Analysis
by VulDB Data Team • 12/12/2022
The vulnerability identified as CVE-2017-1000073 affects Creolabs Gravity version 1.0 and represents a critical heap overflow condition within an undisclosed component of the software. This type of vulnerability falls under the category of memory corruption flaws that can be exploited to execute arbitrary code on affected systems. The heap overflow occurs when the application fails to properly validate input data before processing it within heap memory structures, allowing attackers to overwrite adjacent memory locations and potentially gain control over the application's execution flow.
The technical nature of this heap overflow vulnerability stems from improper bounds checking and memory management within the undisclosed component of the Gravity framework. When malicious input is processed, it can cause the heap allocator to write data beyond the allocated memory boundaries, leading to memory corruption that adversaries can manipulate to redirect program execution. This vulnerability aligns with CWE-121, which describes heap-based buffer overflow conditions, and represents a significant threat to system security as it enables remote code execution capabilities. The flaw exists at the intersection of software development practices and memory safety mechanisms, where inadequate input validation allows attackers to craft payloads that exploit the vulnerable memory allocation patterns.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to fully compromise affected systems running Creolabs Gravity 1.0. An attacker who successfully exploits this heap overflow could execute malicious code with the privileges of the affected application, potentially leading to complete system compromise, data exfiltration, or establishment of persistent backdoors. The vulnerability's remote exploitability means that attackers do not require physical access to the target system, making it particularly dangerous in networked environments where the application may be exposed to external threats. This aligns with ATT&CK technique T1059, which covers command and scripting interpreter usage, as the successful exploitation would likely involve executing malicious commands through the compromised application.
Mitigation strategies for CVE-2017-1000073 should prioritize immediate patching of the affected Creolabs Gravity 1.0 installation to address the heap overflow vulnerability. Organizations should implement comprehensive memory safety measures including stack canaries, address space layout randomization, and heap integrity checks to reduce exploitability. Additionally, input validation controls should be strengthened to prevent malformed data from reaching the vulnerable component, while network segmentation and access controls can limit the attack surface. Regular security assessments and code reviews focusing on memory management practices should be implemented to identify similar vulnerabilities in other components of the application stack. The remediation approach should follow established security practices outlined in NIST SP 800-44 for software security and the OWASP Top 10 security guidelines to ensure comprehensive protection against similar memory corruption vulnerabilities.