CVE-2018-19107 : Vulnerability Insights and Analysis

CVE-2018-19107 is a vulnerability in Exiv2 0.26 that can lead to a denial of service attack due to a heap-based buffer over-read. This vulnerability affects the function Exiv2::IptcParser::decode in iptc.cpp, which is called from psdimage.cpp responsible for reading PSD image files.

Understanding CVE-2018-19107

This section provides insights into the nature and impact of the CVE-2018-19107 vulnerability.

What is CVE-2018-19107?

The vulnerability in Exiv2 0.26 allows a crafted PSD image file to trigger a heap-based buffer over-read, potentially leading to a denial of service attack.

The Impact of CVE-2018-19107

The vulnerability can be exploited by an attacker to cause a denial of service condition on systems processing malicious PSD image files.

Technical Details of CVE-2018-19107

Explore the technical aspects of the CVE-2018-19107 vulnerability.

Vulnerability Description

The issue arises from an integer overflow in the Exiv2::IptcParser::decode function, leading to a heap-based buffer over-read when processing PSD image files.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions of Exiv2 0.26 are affected.

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious PSD image file to trigger the heap-based buffer over-read, potentially causing a denial of service attack.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2018-19107.

Immediate Steps to Take

Apply security updates provided by the vendor promptly.
Avoid opening PSD image files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement network and system monitoring to detect unusual behavior that may indicate an attack.

Patching and Updates

Stay informed about security advisories from Exiv2 and other relevant sources.
Apply patches and updates as soon as they are released to address the CVE-2018-19107 vulnerability.