CVE-2021-28603 : Security Advisory and Response
Learn about CVE-2021-28603, a Heap-based Buffer Overflow vulnerability in Adobe After Effects version 18.2. Understand its impact, technical details, and mitigation steps.
Adobe After Effects version 18.2 (and earlier) is affected by a Heap-based Buffer Overflow vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. This issue was made public on June 8, 2021, and has a CVSS base score of 7.8 (High Severity).
Understanding CVE-2021-28603
This CVE highlights a vulnerability in Adobe After Effects that could lead to arbitrary code execution due to heap corruption.
What is CVE-2021-28603?
CVE-2021-28603 is a Heap-based Buffer Overflow vulnerability in Adobe After Effects version 18.2 and earlier. It can be exploited by an unauthenticated attacker to execute arbitrary code by manipulating a crafted file.
The Impact of CVE-2021-28603
The impact of this vulnerability is high, with a CVSS base score of 7.8. It poses risks to confidentiality, integrity, and availability, requiring user interaction for exploitation.
Technical Details of CVE-2021-28603
This section provides specific technical details of the vulnerability.
Vulnerability Description
The vulnerability arises from a Heap-based Buffer Overflow when processing a maliciously crafted file, enabling an attacker to run arbitrary code within the user's context.
Affected Systems and Versions
Adobe After Effects version 18.2 and earlier are affected by this vulnerability. Users of these versions are at risk of exploitation.
Exploitation Mechanism
To exploit this issue, an attacker would need to entice a victim to open a specially crafted file, triggering the buffer overflow and executing arbitrary code.
Mitigation and Prevention
Protecting systems from CVE-2021-28603 requires immediate action and long-term security practices.
Immediate Steps to Take
Users are advised to update Adobe After Effects to a patched version immediately. Caution should be exercised when opening files from untrusted sources.
Long-Term Security Practices
Implementing robust security protocols and educating users on safe file handling practices can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates from Adobe and apply patches promptly to mitigate the risk of exploitation.