CVE-2017-5977 : Vulnerability Insights and Analysis
Learn about CVE-2017-5977, a vulnerability in zziplib 0.13.62 that allows remote attackers to cause a denial of service through a crafted ZIP file. Find mitigation steps and prevention measures here.
A crafted ZIP file can lead to a denial of service (crash caused by invalid memory read) in zziplib version 0.13.62.
Understanding CVE-2017-5977
What is CVE-2017-5977?
The vulnerability in zziplib 0.13.62 allows remote attackers to cause a denial of service through a crafted ZIP file.
The Impact of CVE-2017-5977
Exploitation by remote attackers can lead to a denial of service due to an invalid memory read and crash.
Technical Details of CVE-2017-5977
Vulnerability Description
The vulnerability exists in the zzip_mem_entry_extra_block function in memdisk.c of zziplib 0.13.62.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 0.13.62
Exploitation Mechanism
The vulnerability can be exploited remotely by using a specially crafted ZIP file.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates promptly.
- Avoid opening ZIP files from untrusted sources.
Long-Term Security Practices
- Regularly update software and systems to the latest versions.
- Implement network security measures to prevent remote attacks.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure that zziplib is updated to a version that addresses the vulnerability.