CVE-2021-35988 : Security Advisory and Response

Adobe Acrobat Pro DC Out-of-Bounds Read Bug is a vulnerability affecting Adobe Acrobat Reader versions 2021.005.20054 and earlier, 2020.004.30005 and earlier, as well as 2017.011.30197 and earlier. This vulnerability could allow an unauthenticated attacker to reveal arbitrary memory information within the current user's context by exploiting an out-of-bounds read issue. User interaction is required as the victim needs to open a malicious file.

Understanding CVE-2021-35988

This section provides insight into the CVE-2021-35988 vulnerability.

What is CVE-2021-35988?

CVE-2021-35988, also known as the Adobe Acrobat Pro DC Out-of-Bounds Read Bug, affects certain versions of Adobe Acrobat Reader, enabling unauthorized access to memory information.

The Impact of CVE-2021-35988

The impact of this vulnerability lies in the potential disclosure of arbitrary memory details to a malicious actor, should a user interact with a specific file.

Technical Details of CVE-2021-35988

Here are the technical specifics of the CVE-2021-35988 vulnerability.

Vulnerability Description

The vulnerability involves an out-of-bounds read issue in Adobe Acrobat Reader, allowing threat actors to access memory information beyond the allowed boundaries.

Affected Systems and Versions

Adobe Acrobat Reader versions 2021.005.20054, 2020.004.30005, and 2017.011.30197 are impacted by this vulnerability.

Exploitation Mechanism

Successful exploitation of CVE-2021-35988 requires the victim to open a malicious file, triggering the out-of-bounds read vulnerability.

Mitigation and Prevention

Learn how to mitigate and prevent the risks posed by CVE-2021-35988.

Immediate Steps to Take

Users should exercise caution by avoiding opening files from untrusted or unknown sources to prevent exploitation of this vulnerability.

Long-Term Security Practices

In the long term, regular software updates and security patches from Adobe can help address and eliminate the CVE-2021-35988 vulnerability.