CVE-2017-7607 : Vulnerability Insights and Analysis
Learn about CVE-2017-7607, a vulnerability in elfutils 0.168 that allows remote attackers to trigger a denial of service attack via a crafted ELF file. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability exists in the handle_gnu_hash function found in readelf.c of elfutils 0.168. This vulnerability can be exploited by remote attackers to trigger a denial of service attack by sending a specially crafted ELF file.
Understanding CVE-2017-7607
This CVE entry describes a vulnerability in elfutils 0.168 that allows remote attackers to cause a denial of service through a crafted ELF file.
What is CVE-2017-7607?
The handle_gnu_hash function in readelf.c in elfutils 0.168 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file.
The Impact of CVE-2017-7607
The vulnerability can be exploited by remote attackers to trigger a denial of service attack, leading to a heap-based buffer over-read and application crash.
Technical Details of CVE-2017-7607
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability exists in the handle_gnu_hash function in readelf.c of elfutils 0.168, allowing remote attackers to trigger a denial of service attack.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 0.168
Exploitation Mechanism
The attack is carried out by sending a specially crafted ELF file, causing the application to crash and resulting in a heap-based buffer over-read.
Mitigation and Prevention
Protecting systems from CVE-2017-7607 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Monitor security advisories for updates and follow best practices for secure coding.
Long-Term Security Practices
- Regularly update software and systems to the latest versions.
- Implement network security measures to detect and prevent malicious activities.
- Conduct regular security audits and penetration testing.
- Educate users and IT staff on security best practices.
- Consider implementing security tools for threat detection and incident response.
Patching and Updates
Ensure that the affected systems are updated with the latest patches and security updates.