CVE-2019-7836 Explained : Impact and Mitigation

Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier, 2017.011.30138 and earlier, 2015.006.30495 and earlier, and 2015.006.30493 and earlier have an out-of-bounds read vulnerability that could lead to information disclosure if exploited.

Understanding CVE-2019-7836

There is an out-of-bounds read vulnerability present in Adobe Acrobat and Reader versions 2019.010.20100 and prior, 2019.010.20099 and prior, 2017.011.30140 and prior, 2017.011.30138 and prior, 2015.006.30495 and prior, as well as 2015.006.30493 and prior. If successfully exploited, this vulnerability may result in the disclosure of information.

What is CVE-2019-7836?

CVE-2019-7836 is an out-of-bounds read vulnerability found in Adobe Acrobat and Reader software versions, potentially allowing attackers to access sensitive information.

The Impact of CVE-2019-7836

If this vulnerability is exploited, it could lead to the unauthorized disclosure of information stored in the affected Adobe Acrobat and Reader versions.

Technical Details of CVE-2019-7836

Adobe Acrobat and Reader versions 2019.010.20100 and earlier, 2019.010.20099 and earlier, 2017.011.30140 and earlier, 2017.011.30138 and earlier, 2015.006.30495 and earlier, and 2015.006.30493 and earlier are affected by this vulnerability.

Vulnerability Description

The vulnerability involves an out-of-bounds read issue in the specified versions of Adobe Acrobat and Reader, potentially leading to information exposure.

Affected Systems and Versions

Adobe Acrobat and Reader 2019.010.20100 and earlier
Adobe Acrobat and Reader 2019.010.20099 and earlier
Adobe Acrobat and Reader 2017.011.30140 and earlier
Adobe Acrobat and Reader 2017.011.30138 and earlier
Adobe Acrobat and Reader 2015.006.30495 and earlier
Adobe Acrobat and Reader 2015.006.30493 and earlier

Exploitation Mechanism

The vulnerability can be exploited by an attacker to read data beyond the bounds of the allocated memory, potentially accessing sensitive information.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-7836.

Immediate Steps to Take

Update Adobe Acrobat and Reader to the latest patched versions.
Monitor security advisories from Adobe for any further instructions.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to detect and prevent unauthorized access.

Patching and Updates

Adobe has released patches to address this vulnerability; ensure all systems are updated to the patched versions to mitigate the risk of exploitation.