CVE-2017-2924 : Exploit Details and Defense Strategies
Learn about CVE-2017-2924, a high-severity vulnerability in FreeXL 1.0.3 that allows remote code execution. Find out the impact, affected systems, exploitation method, and mitigation steps.
FreeXL 1.0.3 has a vulnerability in the read_legacy_biff function that can lead to a heap-based buffer overflow, allowing remote code execution.
Understanding CVE-2017-2924
FreeXL 1.0.3 is susceptible to a heap-based buffer overflow vulnerability that can be exploited for remote code execution.
What is CVE-2017-2924?
This CVE refers to a specific vulnerability in FreeXL 1.0.3 that enables attackers to trigger a heap-based buffer overflow by crafting a malicious XLS file, potentially leading to remote code execution.
The Impact of CVE-2017-2924
- CVSS Base Score: 8.8 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
- This vulnerability poses a significant risk as it allows attackers to execute arbitrary code remotely by exploiting the heap-based buffer overflow in FreeXL 1.0.3.
Technical Details of CVE-2017-2924
FreeXL 1.0.3 vulnerability details and impact.
Vulnerability Description
The vulnerability in the read_legacy_biff function of FreeXL 1.0.3 allows for a heap-based buffer overflow, enabling attackers to corrupt memory and achieve remote code execution.
Affected Systems and Versions
- Affected Product: FreeXL
- Vendor: Alessandro Furieri
- Affected Version: 1.0.3
Exploitation Mechanism
By crafting a specific XLS file, attackers can exploit the vulnerability to trigger a heap-based buffer overflow, leading to memory corruption and potential remote code execution.
Mitigation and Prevention
Protecting systems from CVE-2017-2924.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor to mitigate the vulnerability.
- Avoid opening XLS files from untrusted or unknown sources.
- Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
- Regularly update software and applications to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from Alessandro Furieri to apply patches promptly and enhance system security.