CVE-2021-42733 : Security Advisory and Response
Learn about CVE-2021-42733, a Medium severity Adobe Bridge vulnerability that could lead to an application denial-of-service. Find out about impacts, affected systems, and mitigation steps.
Adobe Bridge version 11.1.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file, allowing an unauthenticated attacker to achieve an application denial-of-service.
Understanding CVE-2021-42733
Adobe Bridge is impacted by a Null pointer dereference vulnerability that could lead to a denial-of-service attack.
What is CVE-2021-42733?
- CVE-2021-42733 is a Null pointer dereference vulnerability affecting Adobe Bridge version 11.1.1 and earlier.
- An attacker can exploit this issue by tricking a victim into opening a malicious file, resulting in a denial-of-service.
The Impact of CVE-2021-42733
- CVSS Base Score: 5.5 (Medium)
- Attack Vector: Local
- User Interaction: Required
- Availability Impact: High
- The vulnerability does not affect confidentiality or integrity but could lead to an application denial-of-service.
Technical Details of CVE-2021-42733
Adobe Bridge's vulnerability details and affected components.
Vulnerability Description
- Adobe Bridge version 11.1.1 is susceptible to a Null pointer dereference vulnerability during file parsing.
- An unauthenticated attacker can exploit this flaw to perform a denial-of-service attack.
Affected Systems and Versions
- Affected Product: Bridge
- Vendor: Adobe
- Versions: 11.1.1 and earlier
Exploitation Mechanism
- Exploitation requires the victim to open a specially crafted malicious file, triggering the vulnerability.
Mitigation and Prevention
Measures to mitigate and prevent the CVE-2021-42733 vulnerability.
Immediate Steps to Take
- Update Adobe Bridge to a patched version that addresses the vulnerability.
- Be cautious when opening files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software to ensure you are protected from known vulnerabilities.
- Educate users about safe file handling practices to prevent exploitation.
Patching and Updates
- Adobe has released a patch to address this vulnerability. Ensure your Adobe Bridge installation is updated to the latest version.