CVE-2017-11339 : Exploit Details and Defense Strategies

Exiv2 0.26's Image::printIFDStructure function in image.cpp is vulnerable to a heap-based buffer overflow, allowing remote denial of service attacks.

Understanding CVE-2017-11339

The vulnerability in Exiv2 0.26 can be exploited by a specially crafted input to trigger a denial of service attack remotely.

What is CVE-2017-11339?

The function Image::printIFDStructure in Exiv2 0.26's image.cpp contains a heap-based buffer overflow vulnerability that can be exploited by an attacker to cause a denial of service attack remotely.

The Impact of CVE-2017-11339

The vulnerability allows an attacker to remotely trigger a denial of service attack by providing a specifically designed input to the affected function.

Technical Details of CVE-2017-11339

Exiv2 0.26's Image::printIFDStructure function in image.cpp is susceptible to a heap-based buffer overflow.

Vulnerability Description

The vulnerability originates from the heap and can be exploited by providing a crafted input to the Image::printIFDStructure function.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

An attacker can exploit this vulnerability by providing a specifically designed input to the Image::printIFDStructure function, leading to a denial of service attack.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the impact of CVE-2017-11339 and implement long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Consider implementing network-level protections to filter out malicious inputs.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Ensure that Exiv2 0.26 is updated to a patched version that addresses the buffer overflow vulnerability.