CVE-2019-7819 : Exploit Details and Defense Strategies
Learn about CVE-2019-7819, a vulnerability in Adobe Acrobat Reader versions 2019.010.20098 and earlier allowing memory disclosure. Find mitigation strategies and immediate steps to secure systems.
CVE-2019-7819 is a vulnerability in Adobe Acrobat Reader versions 2019.010.20098 and earlier that could lead to the disclosure of sensitive memory. This article provides an overview of the vulnerability, its impact, technical details, and mitigation strategies.
Understanding CVE-2019-7819
Adobe Acrobat Pro DC PostScript File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
What is CVE-2019-7819?
This vulnerability in Adobe Acrobat Reader versions 2019.010.20098 and earlier allows attackers to disclose sensitive memory by bypassing mitigations like ASLR. Successful exploitation requires the victim to open a malicious file.
The Impact of CVE-2019-7819
- Confidentiality Impact: High
- Base Score: 5.5 (Medium Severity)
- Attackers can access sensitive information stored in memory, posing a risk to user data security.
Technical Details of CVE-2019-7819
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows attackers to read sensitive memory out-of-bounds, potentially leading to data exposure.
Affected Systems and Versions
- Product: Acrobat Reader
- Vendor: Adobe
- Affected Versions: Up to 2019.010.20098
Exploitation Mechanism
- Attack Vector: Local
- User Interaction: Required
- Privileges Required: None
- Exploit Complexity: Low
- Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- The victim must interact with a malicious file to trigger the exploit.
Mitigation and Prevention
Protecting systems from CVE-2019-7819 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Adobe Acrobat Reader to the latest version.
- Avoid opening files from untrusted sources.
- Implement security awareness training for users.
Long-Term Security Practices
- Regularly update software and security patches.
- Employ endpoint protection solutions.
- Conduct regular security audits and assessments.
Patching and Updates
- Adobe released a security advisory (APSB19-17) addressing this vulnerability.