CVE-2017-5465 : What You Need to Know

CVE-2017-5465 was published on June 11, 2018, by Mozilla. The vulnerability affects Thunderbird, Firefox ESR, and Firefox, allowing an out-of-bounds read in the "ConvolvePixel" function when processing SVG content.

Understanding CVE-2017-5465

This CVE highlights a critical security issue in Mozilla products that could lead to memory corruption and potential crashes.

What is CVE-2017-5465?

An out-of-bounds read vulnerability in the "ConvolvePixel" function during SVG content processing, enabling memory outside the bounds to be copied into SVG graphic content.

The Impact of CVE-2017-5465

The vulnerability could result in memory corruption, crashes, and potentially allow attackers to execute arbitrary code.

Technical Details of CVE-2017-5465

The technical aspects of this CVE provide insight into the vulnerability's nature and its implications.

Vulnerability Description

The vulnerability allows memory outside the bounds to be copied into SVG graphic content, potentially leading to display issues.

Affected Systems and Versions

Thunderbird versions prior to 52.1
Firefox ESR versions prior to 45.9 and 52.1
Firefox versions prior to 53

Exploitation Mechanism

Exploiting this vulnerability involves crafting malicious SVG content to trigger the out-of-bounds read in the "ConvolvePixel" function.

Mitigation and Prevention

Protecting systems from CVE-2017-5465 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Thunderbird to version 52.1 or newer
Update Firefox ESR to version 45.9 or 52.1
Update Firefox to version 53 or newer

Long-Term Security Practices

Regularly update software to the latest versions
Implement security best practices for web content handling

Patching and Updates

Apply patches provided by Mozilla to address the vulnerability and enhance system security.