CVE-2017-6419 : Exploit Details and Defense Strategies
Discover the impact of CVE-2017-6419, a vulnerability in libmspack 0.5alpha used in ClamAV 0.99.2. Learn about the exploitation mechanism, affected systems, and mitigation steps.
A vulnerability in libmspack 0.5alpha, utilized in ClamAV 0.99.2, allows remote attackers to trigger a heap-based buffer overflow, potentially leading to service disruption and crashes.
Understanding CVE-2017-6419
What is CVE-2017-6419?
This CVE identifies a flaw in the file mspack/lzxd.c within libmspack 0.5alpha, impacting ClamAV 0.99.2.
The Impact of CVE-2017-6419
The vulnerability enables remote attackers to disrupt services by causing a heap-based buffer overflow, potentially leading to application crashes and other unspecified impacts when a specially crafted CHM file is used.
Technical Details of CVE-2017-6419
Vulnerability Description
- Found in mspack/lzxd.c within libmspack 0.5alpha
- Exploitable in ClamAV 0.99.2
- Allows remote attackers to trigger a heap-based buffer overflow
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
- Attackers exploit a crafted CHM file to trigger the vulnerability
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates promptly
- Implement network segmentation to limit exposure
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Conduct regular security assessments
- Educate users on safe browsing habits
- Employ intrusion detection systems
Patching and Updates
- Update ClamAV to the latest version
- Follow vendor security advisories for patches