CVE-2017-11101 Explained : Impact and Mitigation

SWFTools version 0.9.2 is susceptible to a NULL Pointer Dereference in the swf_Relocate() function when processing a specially-crafted file in swfcombine.

Understanding CVE-2017-11101

This CVE involves a vulnerability in SWFTools version 0.9.2 that can be exploited through a crafted file in the swfcombine utility.

What is CVE-2017-11101?

The swf_Relocate() function in lib/modules/swftools.c may encounter a NULL Pointer Dereference when handling a specially-crafted file with SWFTools version 0.9.2 in swfcombine.

The Impact of CVE-2017-11101

The vulnerability can lead to a NULL Pointer Dereference, potentially resulting in a denial of service or arbitrary code execution.

Technical Details of CVE-2017-11101

SWFTools version 0.9.2 is affected by this vulnerability.

Vulnerability Description

When SWFTools 0.9.2 processes a crafted file in swfcombine, it can lead to a NULL Pointer Dereference in the swf_Relocate() function in lib/modules/swftools.c.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Version: 0.9.2

Exploitation Mechanism

The vulnerability is exploited by manipulating a specially-crafted file in the swfcombine utility.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2017-11101.

Immediate Steps to Take

Avoid processing untrusted SWF files with SWFTools version 0.9.2.
Consider using alternative tools or updated versions that address this vulnerability.

Long-Term Security Practices

Regularly update software and tools to the latest secure versions.
Implement proper input validation mechanisms to prevent exploitation of similar vulnerabilities.

Patching and Updates

Check for patches or updates provided by the SWFTools project to address this vulnerability.