CVE-2017-16797 : Vulnerability Insights and Analysis
Discover the impact of CVE-2017-16797 on SWFTools 0.9.2. Learn about the vulnerability in the png_load function, potential consequences, affected systems, and mitigation steps.
SWFTools 0.9.2 is affected by a vulnerability in the png_load function in lib/png.c, allowing remote attackers to exploit the system by providing a manipulated PNG file.
Understanding CVE-2017-16797
This CVE entry highlights a specific vulnerability in SWFTools 0.9.2 that can lead to denial of service and potential other consequences.
What is CVE-2017-16797?
The png_load function in lib/png.c of SWFTools 0.9.2 fails to properly verify the result of multiplying width and height values, enabling attackers to trigger a denial of service or other impacts by supplying a crafted PNG file.
The Impact of CVE-2017-16797
The vulnerability can result in an integer overflow, heap-based buffer overflow, and application crash, potentially leading to various unspecified consequences.
Technical Details of CVE-2017-16797
SWFTools 0.9.2 is susceptible to exploitation due to inadequate validation of alloclen_64 multiplication of width and height values.
Vulnerability Description
The png_load function in lib/png.c lacks proper validation of the alloclen_64 multiplication, creating an avenue for remote attackers to disrupt the system's operation.
Affected Systems and Versions
- Product: SWFTools 0.9.2
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by providing a manipulated PNG file, triggering integer overflow, heap-based buffer overflow, and application crashes.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-16797.
Immediate Steps to Take
- Apply security patches or updates provided by the software vendor.
- Implement network-level protections to filter out potentially malicious PNG files.
Long-Term Security Practices
- Regularly update software and firmware to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
Patching and Updates
- Stay informed about security advisories related to SWFTools and promptly apply patches to secure the system.