CVE-2017-1000128 : Security Advisory and Response

Exiv2 0.26 contains a stack out of bounds read issue in the JPEG2000 parser.

Understanding CVE-2017-1000128

In the JPEG2000 parser of Exiv2 0.26, a stack out of bounds read vulnerability has been identified.

What is CVE-2017-1000128?

This CVE refers to a specific vulnerability found in the JPEG2000 parser of Exiv2 0.26, leading to a stack out of bounds read issue.

The Impact of CVE-2017-1000128

The vulnerability could potentially allow attackers to read beyond the allocated memory, leading to information exposure or a denial of service.

Technical Details of CVE-2017-1000128

Exiv2 0.26 is affected by a stack out of bounds read vulnerability in its JPEG2000 parser.

Vulnerability Description

The issue arises from improper handling of memory in the JPEG2000 parser, allowing unauthorized access to memory locations.

Affected Systems and Versions

Product: Exiv2 0.26
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious JPEG2000 file to trigger the out of bounds read.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2017-1000128.

Immediate Steps to Take

Update Exiv2 to a patched version if available.
Implement proper input validation to prevent malformed JPEG2000 files from being processed.

Long-Term Security Practices

Regularly update software and libraries to address known vulnerabilities.
Conduct security assessments and audits to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security updates for Exiv2 and promptly apply patches to address CVE-2017-1000128.