CVE-2018-20097 : Vulnerability Insights and Analysis

Exiv2 version 0.27-RC3 contains a SEGV vulnerability in the function Exiv2::Internal::TiffParserWorker::findPrimaryGroups, leading to a denial of service attack.

Understanding CVE-2018-20097

Exiv2 software version 0.27-RC3 is susceptible to a denial of service vulnerability due to a flaw in the TiffParserWorker function.

What is CVE-2018-20097?

This CVE identifies a security vulnerability in Exiv2 version 0.27-RC3 that can be exploited by a remote attacker to trigger a denial of service attack.

The Impact of CVE-2018-20097

The vulnerability allows an attacker to cause a denial of service by providing specially crafted input to the affected function.

Technical Details of CVE-2018-20097

Exiv2 version 0.27-RC3 is affected by a vulnerability that can be exploited remotely to disrupt services.

Vulnerability Description

The vulnerability lies in the function Exiv2::Internal::TiffParserWorker::findPrimaryGroups in the file tiffimage_int.cpp.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Version: n/a

Exploitation Mechanism

An attacker can exploit this vulnerability by supplying carefully crafted input to the vulnerable function, leading to a denial of service attack.

Mitigation and Prevention

To address CVE-2018-20097, follow these mitigation steps:

Immediate Steps to Take

Apply security updates provided by the software vendor.
Monitor vendor advisories for patches and updates.

Long-Term Security Practices

Regularly update software to the latest versions.
Implement network security measures to prevent remote attacks.
Conduct security assessments and audits periodically.

Patching and Updates

Refer to vendor advisories and security alerts for patch availability and installation instructions.