CVE-2017-16363 : Security Advisory and Response

A vulnerability has been identified in Adobe Acrobat and Reader versions prior to 2017.012.20098, 2017.011.30066, 2015.006.30355, and 11.0.22, allowing unauthorized access to sensitive information through a buffer over-read issue.

Understanding CVE-2017-16363

This CVE entry pertains to a specific vulnerability in Adobe Acrobat and Reader that could lead to unauthorized access to sensitive data.

What is CVE-2017-16363?

The vulnerability in Adobe Acrobat and Reader versions prior to specified releases allows attackers to exploit a buffer over-read issue, potentially gaining access to sensitive information.

The Impact of CVE-2017-16363

Exploiting this vulnerability could result in unauthorized access to sensitive information, including object heap addresses, posing a significant security risk to affected systems.

Technical Details of CVE-2017-16363

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is triggered by a buffer over-read in the module responsible for character codes in specific text representations. Invalid inputs can lead to unauthorized access to sensitive information.

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 through a buffer over-read issue in the character code handling module, allowing attackers to access memory locations outside the buffer's valid range.

Mitigation and Prevention

Protecting systems from CVE-2017-16363 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Implement security measures to restrict unauthorized access to sensitive information.

Long-Term Security Practices

Regularly monitor and update software to address security vulnerabilities.
Educate users on safe computing practices to prevent exploitation of known vulnerabilities.

Patching and Updates

Apply security patches provided by Adobe to address the buffer over-read vulnerability and enhance system security.