Adobe Acrobat Reader versions 22.002.20212 (and earlier) and 20.005.30381 (and earlier) are affected by a Use After Free 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.
The CVSS score for this vulnerability is 5.5, indicating a medium severity level. The risk to organizations includes potential exposure of sensitive information, which can have significant repercussions depending on the data involved. Organizations should prioritize patching immediately.
As of now, there are no known exploits publicly available for this vulnerability, and it is not listed in the Known Exploited Vulnerabilities (KEV) catalog. However, user interaction is necessary for exploitation, making awareness and education around file handling essential.
Organizations using affected versions of Adobe Acrobat Reader should evaluate the urgency of applying patches within their regular update cycle to mitigate risks associated with this vulnerability.
Vulnerability Details
Adobe Acrobat Reader versions 22.002.20212 (and earlier) and 20.005.30381 (and earlier) are affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. This vulnerability is classified under CWE-416.
The CVSS score of 5.5 indicates that this vulnerability has a medium severity. The attack vector is local, requiring user interaction, which contributes to a low attack complexity. There are no privileges required to exploit this vulnerability.
Technical Analysis
The root cause of this vulnerability is related to improper handling of memory management, specifically a Use After Free condition. Attackers may exploit this flaw by convincing users to open a specially crafted PDF file that triggers the vulnerability.
This vulnerability has a local attack vector, meaning it requires an attacker to have physical or remote access to execute the malicious file. The attack complexity is considered low, as it does not require advanced skills to exploit the vulnerability once the target opens the malicious document.
The vulnerability does not require any special privileges to exploit, making it more accessible to potential attackers. User interaction is required for exploitation, emphasizing the importance of user education regarding suspicious files.
Risk & Impact Analysis
Risks to organizations include the potential for sensitive information to be disclosed due to exploitation of this vulnerability. The confidentiality impact is classified as high, meaning that successful exploitation could lead to significant data breaches.
Organizations should assess their deployment of Adobe Acrobat Reader and prioritize patching efforts based on this vulnerability's risk profile. Given the potential for high confidentiality impact, organizations should act swiftly to mitigate risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
Affected versions of Adobe Acrobat Reader include 22.002.20212 and 20.005.30381, as well as earlier versions. Organizations should ensure they are using patched versions to safeguard against this vulnerability.
Mitigation & Remediation
Adobe has released patches for the affected versions of Acrobat Reader. Organizations should upgrade to the latest versions to mitigate this vulnerability. If immediate patching is not possible, users should be educated on the risks associated with opening files from untrusted sources.
For further guidance, organizations can refer to the application security assessment services to evaluate their security posture.
Detection Guidance
Organizations should monitor logs for unusual access patterns related to Adobe Acrobat Reader and investigate any anomalies that may indicate exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to reveal sensitive information, which could be exploited in various ways. Security teams should consider implementing robust security practices to prevent similar vulnerabilities in the future.
For comprehensive strategies, organizations may find value in exploring penetration testing methodology and vulnerability management programs to enhance their defenses.
Additionally, understanding the latest trends in ransomware targeting trends can provide insights into how to better protect against evolving threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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