CVE-2017-8846 Explained : Impact and Mitigation

A crafted archive can lead to a denial of service and application crash by exploiting the read_stream function in stream.c within lrzip 0.631.

Understanding CVE-2017-8846

The vulnerability in lrzip 0.631 can be exploited through a specially crafted archive, resulting in a denial of service and application crash.

What is CVE-2017-8846?

The read_stream function in stream.c within lrzip 0.631 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted archive.

The Impact of CVE-2017-8846

Successful exploitation can lead to a denial of service and application crash.

Technical Details of CVE-2017-8846

The technical details of the CVE-2017-8846 vulnerability in lrzip 0.631.

Vulnerability Description

The read_stream function in stream.c in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted archive.

Affected Systems and Versions

Affected Product: N/A
Affected Vendor: N/A
Affected Version: N/A

Exploitation Mechanism

Attackers can exploit the vulnerability by using a crafted archive to trigger a denial of service and application crash.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-8846 vulnerability.

Immediate Steps to Take

Update lrzip to the latest version to patch the vulnerability.
Avoid opening or processing untrusted or suspicious archives.

Long-Term Security Practices

Regularly update software and libraries to address security vulnerabilities.
Implement network security measures to detect and block malicious traffic.

Patching and Updates

Apply security patches and updates provided by lrzip to fix the vulnerability.