CVE-2022-35111 Explained : Impact and Mitigation

SWFTools commit 772e55a2 was discovered to contain a stack overflow vulnerability via __sanitizer::StackDepotNode::hash(__sanitizer::StackTrace const&) at /sanitizer_common/sanitizer_stackdepot.cpp. This CVE has been published by MITRE on August 16, 2022.

Understanding CVE-2022-35111

This section provides details about the vulnerability and its impact, along with technical insights into the issue.

What is CVE-2022-35111?

CVE-2022-35111 is a stack overflow vulnerability found in SWFTools commit 772e55a2, specifically in the function __sanitizer::StackDepotNode::hash(__sanitizer::StackTrace const&) at /sanitizer_common/sanitizer_stackdepot.cpp.

The Impact of CVE-2022-35111

The vulnerability allows potential attackers to trigger a stack overflow, which could lead to denial of service, data corruption, or possibly remote code execution.

Technical Details of CVE-2022-35111

This section delves into the technical aspects of the vulnerability, including its description, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability originates in the hash function within SWFTools commit 772e55a2, potentially causing a stack overflow when processing certain types of input.

Affected Systems and Versions

All systems running SWFTools commit 772e55a2 are affected by this vulnerability. The specific affected versions include those that have the vulnerable code.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input that triggers the stack overflow condition, potentially gaining unauthorized access or disrupting services.

Mitigation and Prevention

This section outlines the steps that organizations and users can take to mitigate the risk posed by CVE-2022-35111 and prevent potential exploitation.

Immediate Steps to Take

Immediately update SWFTools to a patched version that addresses the stack overflow vulnerability. Organizations should also monitor for any signs of exploitation.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and stay informed about vulnerabilities in software dependencies to enhance overall security posture.

Patching and Updates

Regularly apply patches provided by SWFTools to address security vulnerabilities and ensure that systems are protected against known threats.