CVE-2018-10780 : What You Need to Know
Learn about CVE-2018-10780, a heap-based buffer over-read vulnerability in Exiv2 0.26. Find out how to mitigate the issue and prevent potential exploitation. Stay secure with necessary patches and updates.
Exiv2::Image::byteSwap2 in image.cpp in Exiv2 0.26 has a heap-based buffer over-read.
Understanding CVE-2018-10780
What is CVE-2018-10780?
There is a heap-based buffer over-read issue in Exiv2 version 0.26, specifically in the image.cpp file within the function Exiv2::Image::byteSwap2.
The Impact of CVE-2018-10780
This vulnerability could potentially allow an attacker to read sensitive information from the heap memory, leading to a breach of confidentiality.
Technical Details of CVE-2018-10780
Vulnerability Description
The vulnerability exists in the Exiv2 library version 0.26, particularly in the image.cpp file's Exiv2::Image::byteSwap2 function, causing a heap-based buffer over-read.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 0.26
Exploitation Mechanism
The vulnerability can be exploited by crafting a malicious image file that triggers the heap-based buffer over-read when processed by the Exiv2 library.
Mitigation and Prevention
Immediate Steps to Take
- Update Exiv2 to a patched version that addresses the heap-based buffer over-read issue.
- Avoid opening image files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and libraries to mitigate known vulnerabilities.
- Implement proper input validation mechanisms to prevent buffer over-read vulnerabilities.
Patching and Updates
Ensure timely installation of security patches and updates provided by Exiv2 to address the CVE-2018-10780 vulnerability.