CVE-2017-7612 : Vulnerability Insights and Analysis
CVE-2017-7612 is a vulnerability in elfutils 0.168 that can lead to a denial of service and application crash due to a crafted ELF file. Learn about the impact, affected systems, exploitation, and mitigation steps.
A crafted ELF file can lead to a denial of service and cause the application to crash due to a heap-based buffer over-read in the check_sysv_hash function in elflint.c in elfutils 0.168.
Understanding CVE-2017-7612
The check_sysv_hash function in elflint.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.
What is CVE-2017-7612?
CVE-2017-7612 is a vulnerability in elfutils 0.168 that can be exploited by a crafted ELF file to trigger a denial of service and application crash.
The Impact of CVE-2017-7612
The vulnerability can lead to a denial of service and application crash, affecting the stability and availability of systems running the vulnerable version of elfutils.
Technical Details of CVE-2017-7612
Vulnerability Description
A crafted ELF file can trigger a heap-based buffer over-read in the check_sysv_hash function in elflint.c in elfutils 0.168, leading to a denial of service and application crash.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 0.168
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker through a specially crafted ELF file, causing the application to crash and resulting in a denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates provided by the vendor
- Monitor vendor advisories for patches and mitigation strategies
Long-Term Security Practices
- Regularly update software and libraries to patched versions
- Conduct security assessments and audits to identify vulnerabilities
Patching and Updates
- Update elfutils to a non-vulnerable version
- Follow best practices for secure coding and software development