CVE-2019-13110 : What You Need to Know

CVE-2019-13110 is an integer overflow and out-of-bounds read vulnerability found in the CiffDirectory::readDirectory function of Exiv2 up to version 0.27.1, allowing attackers to trigger a denial of service via a specially crafted CRW image file.

Understanding CVE-2019-13110

This CVE involves a specific vulnerability in the Exiv2 software that can lead to a denial of service attack.

What is CVE-2019-13110?

The CVE-2019-13110 vulnerability is caused by an integer overflow and out-of-bounds read issue in the CiffDirectory::readDirectory function of Exiv2.

The Impact of CVE-2019-13110

Exploitation of this vulnerability can result in a denial of service (SIGSEGV) attack, potentially disrupting the availability of the affected system.

Technical Details of CVE-2019-13110

This section provides more technical insights into the CVE-2019-13110 vulnerability.

Vulnerability Description

The vulnerability arises from an integer overflow and out-of-bounds read flaw in the CiffDirectory::readDirectory function of Exiv2.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: All versions up to 0.27.1

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a specially crafted CRW image file to trigger the denial of service (SIGSEGV) condition.

Mitigation and Prevention

To address CVE-2019-13110, consider the following mitigation strategies:

Immediate Steps to Take

Update Exiv2 to the latest version available.
Avoid opening untrusted or suspicious CRW image files.

Long-Term Security Practices

Regularly monitor security advisories for Exiv2.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Apply patches provided by Exiv2 promptly to fix the vulnerability and enhance system security.