CVE-2017-16391 Explained : Impact and Mitigation
Learn about CVE-2017-16391, a critical vulnerability in Adobe Acrobat and Reader versions 2017.012.20098 and earlier, leading to memory write access issues. Find mitigation steps and update recommendations here.
A vulnerability has been identified in Adobe Acrobat and Reader versions 2017.012.20098 and earlier, 2017.011.30066 and earlier, 2015.006.30355 and earlier, and 11.0.22 and earlier. This flaw arises from improper validation of array index during the printing process, leading to a memory write access issue.
Understanding CVE-2017-16391
This CVE pertains to a security vulnerability in Adobe Acrobat and Reader versions that can be exploited through untrusted input during the printing process.
What is CVE-2017-16391?
The vulnerability in Adobe Acrobat and Reader versions allows for a memory write access issue due to improper array index validation during printing.
The Impact of CVE-2017-16391
The vulnerability can result in unauthorized write access to memory locations beyond the designated address space, potentially leading to arbitrary code execution or system compromise.
Technical Details of CVE-2017-16391
This section provides more technical insights into the vulnerability.
Vulnerability Description
The flaw occurs when untrusted input is used to determine an array index during the printing process, leading to a memory write access issue.
Affected Systems and Versions
- Adobe Acrobat Reader 2017.012.20098 and earlier versions
- Adobe Acrobat Reader 2017.011.30066 and earlier versions
- Adobe Acrobat Reader 2015.006.30355 and earlier versions
- Adobe Acrobat Reader 11.0.22 and earlier versions
Exploitation Mechanism
The vulnerability is exploited by manipulating the array index calculation using untrusted input during the printing process.
Mitigation and Prevention
To address CVE-2017-16391, follow these mitigation strategies:
Immediate Steps to Take
- Update Adobe Acrobat and Reader to the latest patched versions.
- Avoid opening PDF files from untrusted sources.
- Implement security best practices for document handling.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Educate users on safe computing practices and potential threats.
Patching and Updates
- Adobe has released security updates to address this vulnerability. Ensure all systems are updated with the latest patches.