CVE-2017-7613 : Security Advisory and Response
Learn about CVE-2017-7613, a vulnerability in elfutils 0.168 that allows attackers to trigger a denial of service condition by exploiting a loophole in the validation of ELF file sections and segments.
In elfutils 0.168, the elflint.c file contains a vulnerability that allows attackers to trigger a denial of service condition by exploiting a loophole in the validation of sections and segments in an ELF file.
Understanding CVE-2017-7613
This CVE entry describes a vulnerability in elfutils 0.168 that can lead to a denial of service attack due to improper validation of sections and segments in ELF files.
What is CVE-2017-7613?
CVE-2017-7613 is a vulnerability in elfutils 0.168 that enables attackers to exploit a loophole in the validation process of ELF file sections and segments, resulting in a denial of service condition.
The Impact of CVE-2017-7613
The vulnerability in elfutils 0.168 can be exploited by attackers to cause excessive memory consumption, leading to a denial of service condition. Attackers can achieve this by using a specially crafted ELF file.
Technical Details of CVE-2017-7613
This section provides detailed technical information about the CVE-2017-7613 vulnerability.
Vulnerability Description
The elflint.c file in elfutils 0.168 fails to properly validate the count of sections and segments in an ELF file, allowing remote attackers to trigger a denial of service condition through memory consumption by using a maliciously crafted ELF file.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by attackers through the following steps:
- Crafting a specifically designed ELF file
- Leveraging the improper validation of sections and segments in the ELF file
- Triggering a denial of service condition by causing excessive memory consumption
Mitigation and Prevention
Protecting systems from CVE-2017-7613 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security updates provided by the vendor
- Avoid opening ELF files from untrusted or unknown sources
- Monitor system resources for unusual memory consumption
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities
- Implement network and host-based intrusion detection systems
- Conduct regular security audits and penetration testing
Patching and Updates
- Check for security advisories from the vendor
- Apply patches or updates as soon as they are available