CVE-2018-6484 : Exploit Details and Defense Strategies
Learn about CVE-2018-6484, a memory alignment error and bus error vulnerability in ZZIPlib 0.13.67, allowing attackers to cause denial of service via crafted zip files. Find mitigation steps here.
ZZIPlib 0.13.67 contains a memory alignment error and bus error in the __zzip_fetch_disk_trailer function, allowing attackers to cause a denial of service via a crafted zip file.
Understanding CVE-2018-6484
This CVE entry describes a vulnerability in ZZIPlib 0.13.67 that could be exploited by remote attackers to trigger a denial of service attack.
What is CVE-2018-6484?
CVE-2018-6484 is a memory alignment error and bus error vulnerability in the __zzip_fetch_disk_trailer function of zzip/zip.c in ZZIPlib 0.13.67.
The Impact of CVE-2018-6484
The vulnerability could be leveraged by attackers using specially crafted zip files to cause a denial of service on affected systems.
Technical Details of CVE-2018-6484
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The __zzip_fetch_disk_trailer function in zzip/zip.c of ZZIPlib 0.13.67 contains a memory alignment error and bus error.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: 0.13.67
Exploitation Mechanism
Attackers can exploit this vulnerability by using a specially crafted zip file to trigger a denial of service.
Mitigation and Prevention
Protect your systems from CVE-2018-6484 with these mitigation strategies.
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Monitor for any unusual zip file activities.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Implement network security measures to detect and block malicious zip files.
Patching and Updates
Ensure that ZZIPlib is updated to a patched version to mitigate the vulnerability.