CVE-2021-42723 : Security Advisory and Response
Discover the impact of CVE-2021-42723 on Adobe Bridge, an out-of-bounds read vulnerability that could lead to arbitrary code execution. Learn mitigation strategies and preventive measures.
Adobe Bridge version 11.1.1 (and earlier) is affected by an out-of-bounds read vulnerability when parsing a crafted SGI file, potentially leading to arbitrary code execution.
Understanding CVE-2021-42723
Adobe Bridge is prone to an out-of-bounds read flaw that could enable an attacker to execute arbitrary code on the victim's system.
What is CVE-2021-42723?
The vulnerability in Adobe Bridge allows an attacker to manipulate memory structures by parsing specially crafted files, ultimately leading to the execution of malicious code.
The Impact of CVE-2021-42723
- Attack Complexity: Low
- Attack Vector: Local
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
- Privileges Required: None
- User Interaction: Required
- CVSS Base Score: 7.8 (High)
Technical Details of CVE-2021-42723
Adobe Bridge's vulnerability presents critical technical details that security professionals should be aware of.
Vulnerability Description
The out-of-bounds read vulnerability in Adobe Bridge arises when processing a malicious SGI file, potentially allowing an attacker to read beyond allocated memory space.
Affected Systems and Versions
- Product: Adobe Bridge
- Vendor: Adobe
- Versions Affected: 11.1.1 and earlier
Exploitation Mechanism
Exploiting this vulnerability necessitates user interaction as the victim must open a specially crafted file to trigger the out-of-bounds read.
Mitigation and Prevention
Taking immediate steps to mitigate the risks posed by CVE-2021-42723 is crucial for system security.
Immediate Steps to Take
- Apply security patches provided by Adobe promptly.
- Educate users about the risks of opening files from untrusted sources.
Long-Term Security Practices
- Implement robust endpoint protection mechanisms.
- Regularly update security software and conduct system vulnerability assessments.
- Monitor network traffic for any suspicious activity.
Patching and Updates
Keep Adobe Bridge up to date with the latest security patches to address vulnerabilities like the out-of-bounds read flaw.