CVE-2017-5505 : What You Need to Know

A crafted image can cause a denial of service (crash) by triggering an invalid memory read through the jas_matrix_asl function in JasPer 1.900.27.

Understanding CVE-2017-5505

This CVE entry describes a vulnerability in JasPer 1.900.27 that allows remote attackers to trigger a denial of service by exploiting an invalid memory read.

What is CVE-2017-5505?

The vulnerability in JasPer 1.900.27 enables attackers to crash a system by manipulating a crafted image to trigger an invalid memory read through the jas_matrix_asl function in jas_seq.c.

The Impact of CVE-2017-5505

The exploitation of this vulnerability can lead to a denial of service (DoS) condition, causing the affected system to crash, potentially disrupting services and operations.

Technical Details of CVE-2017-5505

This section provides more in-depth technical insights into the CVE-2017-5505 vulnerability.

Vulnerability Description

The jas_matrix_asl function in jas_seq.c in JasPer 1.900.27 allows remote attackers to cause a denial of service (invalid memory read and crash) by using a specially crafted image.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: 1.900.27

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a specifically crafted image that triggers an invalid memory read through the jas_matrix_asl function in jas_seq.c.

Mitigation and Prevention

Protecting systems from CVE-2017-5505 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches or updates to address the vulnerability promptly.
Implement network-level protections to filter out potentially malicious image files.
Monitor system logs for any unusual activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update software and firmware to ensure all security patches are applied.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities proactively.

Patching and Updates

Ensure that JasPer software is updated to a version that includes a fix for the CVE-2017-5505 vulnerability.