CVE-2019-7766 Explained : Impact and Mitigation
Learn about CVE-2019-7766, a critical use after free vulnerability in Adobe Acrobat and Reader versions before specific releases, allowing arbitrary code execution. Find mitigation steps and updates here.
Adobe Acrobat and Reader versions before 2019.010.20100, 2019.010.20099, 2017.011.30140, 2017.011.30138, 2015.006.30495, and 2015.006.30493 are affected by a use after free vulnerability that could allow arbitrary code execution.
Understanding CVE-2019-7766
This CVE involves a critical vulnerability in Adobe Acrobat and Reader that could be exploited to execute arbitrary code.
What is CVE-2019-7766?
CVE-2019-7766 is a use after free vulnerability found in specific versions of Adobe Acrobat and Reader. If successfully exploited, attackers could execute arbitrary code on the affected system.
The Impact of CVE-2019-7766
The exploitation of this vulnerability could lead to the execution of arbitrary code, potentially allowing attackers to take control of the affected system.
Technical Details of CVE-2019-7766
Adobe Acrobat and Reader versions before specific releases are susceptible to this use after free vulnerability.
Vulnerability Description
A use after free vulnerability in Adobe Acrobat and Reader versions before 2019.010.20100, 2019.010.20099, 2017.011.30140, 2017.011.30138, 2015.006.30495, and 2015.006.30493 could allow attackers to execute arbitrary code.
Affected Systems and Versions
- Product: Adobe Acrobat and Reader
- Vendor: Adobe
- Vulnerable 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, 2015.006.30493 and earlier versions
Exploitation Mechanism
The vulnerability could be exploited by an attacker to trigger the use after free condition, leading to the execution of arbitrary code.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-7766.
Immediate Steps to Take
- Update Adobe Acrobat and Reader to the latest patched versions.
- Consider disabling JavaScript in Adobe Acrobat and Reader as a temporary mitigation.
- Exercise caution when opening PDF files from untrusted sources.
Long-Term Security Practices
- Regularly update software and applications to patch known vulnerabilities.
- Implement security best practices to protect against potential exploits.
Patching and Updates
- Adobe has released patches to address this vulnerability. Ensure all systems are updated to the latest versions to mitigate the risk of exploitation.