CVE-2021-45051 Explained : Impact and Mitigation

Adobe Bridge version 11.1.2 and 12.0 are affected by a use-after-free vulnerability in JPEG2000 parsing, potentially leading to sensitive memory disclosure.

Understanding CVE-2021-45051

Adobe Bridge is susceptible to a use-after-free flaw in the processing of Format event actions, allowing an attacker to disclose sensitive memory.

What is CVE-2021-45051?

Use-after-free vulnerability in Adobe Bridge processing JPEG2000 files
Could result in disclosure of sensitive memory
Requires user interaction to exploit

The Impact of CVE-2021-45051

The vulnerability allows an attacker to bypass mitigations like ASLR, potentially leading to memory disclosure.

Technical Details of CVE-2021-45051

Adobe Bridge's vulnerability involves an issue with JPEG2000 parsing.

Vulnerability Description

Vulnerability Type: Use After Free (CWE-416)
Specifically targets the processing of Format event actions

Affected Systems and Versions

Adobe Bridge versions 11.1.2 and 12.0 are impacted
Versions 11.1.2 and below, 12.0 and below are prone to exploitation

Exploitation Mechanism

Attacker leverages JPEG2000 parsing to trigger use-after-free
Exploitation relies on victim opening a malicious file

Mitigation and Prevention

Protecting against the CVE-2021-45051 vulnerability in Adobe Bridge is crucial.

Immediate Steps to Take

Update Adobe Bridge to the latest version
Avoid opening files from untrusted sources
Implement security best practices for file handling

Long-Term Security Practices

Regularly update software and apply security patches
Conduct user training on identifying suspicious files

Patching and Updates

Adobe has likely released a patch addressing this vulnerability
Ensure timely installation of software updates