CVE-2017-15930 : What You Need to Know
Learn about CVE-2017-15930, a Null Pointer Dereference issue in GraphicsMagick version 1.3.26 that can lead to denial of service or arbitrary code execution. Find mitigation steps and prevention measures here.
A Null Pointer Dereference issue in GraphicsMagick version 1.3.26 can lead to a vulnerability in the function ReadOneJNGImage within the file coders/png.c. This vulnerability occurs during the transfer of JPEG scanlines and involves a PixelPacket pointer.
Understanding CVE-2017-15930
This CVE entry highlights a specific vulnerability in GraphicsMagick version 1.3.26.
What is CVE-2017-15930?
CVE-2017-15930 is a Null Pointer Dereference issue that arises in the function ReadOneJNGImage in GraphicsMagick version 1.3.26. The vulnerability occurs during the transfer of JPEG scanlines and involves a PixelPacket pointer.
The Impact of CVE-2017-15930
The vulnerability can potentially be exploited by attackers to cause a denial of service or execute arbitrary code on the affected system.
Technical Details of CVE-2017-15930
This section provides more in-depth technical details about the CVE.
Vulnerability Description
The vulnerability is a Null Pointer Dereference issue in the function ReadOneJNGImage within the file coders/png.c in GraphicsMagick version 1.3.26. It occurs during the transfer of JPEG scanlines and involves a PixelPacket pointer.
Affected Systems and Versions
- Affected Version: GraphicsMagick 1.3.26
- Systems using GraphicsMagick version 1.3.26 are vulnerable to this issue.
Exploitation Mechanism
The vulnerability can be exploited by an attacker to potentially cause a denial of service or execute arbitrary code on the system by manipulating the PixelPacket pointer.
Mitigation and Prevention
Protecting systems from CVE-2017-15930 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update GraphicsMagick to a non-vulnerable version if available.
- Implement proper input validation to prevent malicious manipulation of the PixelPacket pointer.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Conduct security audits and vulnerability assessments to identify and mitigate potential risks.
Patching and Updates
- Stay informed about security advisories and updates from GraphicsMagick and relevant vendors.
- Apply patches and updates as soon as they are released to address known vulnerabilities.