Adobe Acrobat Reader versions 22.002.20212 and 20.005.30381 are vulnerable to an out-of-bounds read issue resulting in memory disclosure. Learn about impact, mitigation, and prevention.
Adobe Acrobat Reader versions 22.002.20212 (and earlier) and 20.005.30381 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Understanding CVE-2022-42342
This section will provide an overview of the CVE-2022-42342 vulnerability in Adobe Acrobat Reader.
What is CVE-2022-42342?
CVE-2022-42342 is an out-of-bounds read vulnerability identified in Adobe Acrobat Reader. It can result in the exposure of sensitive memory data.
The Impact of CVE-2022-42342
The impact of this vulnerability is rated as medium, with a base CVSS score of 5.5. It could allow an attacker to access confidential information.
Technical Details of CVE-2022-42342
This section will delve into the technical specifics of the CVE-2022-42342 vulnerability.
Vulnerability Description
The vulnerability involves an out-of-bounds read, categorized under CWE-125, which could be exploited to disclose sensitive memory information.
Affected Systems and Versions
Adobe Acrobat Reader versions 22.002.20212 and 20.005.30381, and earlier are impacted by this vulnerability.
Exploitation Mechanism
To exploit this vulnerability, an attacker would need to trick a user into opening a specially crafted malicious file.
Mitigation and Prevention
Protecting systems from CVE-2022-42342 requires immediate action and long-term security measures.
Immediate Steps to Take
Users are advised to update Adobe Acrobat Reader to the latest version to mitigate the risk of exploitation.
Long-Term Security Practices
Employing best security practices such as exercising caution while opening files from unknown sources can enhance overall system security.
Patching and Updates
Regularly applying security patches and staying informed about security advisories can help prevent vulnerabilities.