CVE-2020-11722 : Vulnerability Insights and Analysis

Dungeon Crawl Stone Soup (aka DCSS or crawl) before 0.25 allows remote attackers to execute arbitrary code via Lua bytecode embedded in an uploaded .crawlrc file.

Understanding CVE-2020-11722

Dungeon Crawl Stone Soup (DCSS) vulnerability allowing remote code execution.

What is CVE-2020-11722?

This CVE refers to a security flaw in Dungeon Crawl Stone Soup (DCSS) that enables attackers to run malicious code through Lua bytecode within a specific file.

The Impact of CVE-2020-11722

The vulnerability can lead to remote code execution, posing a severe threat to the security and integrity of systems running affected versions of DCSS.

Technical Details of CVE-2020-11722

Details on the technical aspects of the vulnerability.

Vulnerability Description

Dungeon Crawl Stone Soup (DCSS) before version 0.25 is susceptible to remote code execution.

Affected Systems and Versions

Product: Dungeon Crawl Stone Soup
Vendor: N/A
Versions: All versions before 0.25

Exploitation Mechanism

Attackers can exploit this vulnerability by embedding malicious Lua bytecode in a .crawlrc file, allowing them to execute arbitrary code remotely.

Mitigation and Prevention

Ways to address and prevent the CVE-2020-11722 vulnerability.

Immediate Steps to Take

Update DCSS to version 0.25 or later to mitigate the vulnerability.
Avoid uploading or executing files with Lua bytecode from untrusted sources.

Long-Term Security Practices

Regularly monitor for security updates and patches for DCSS.
Implement file upload restrictions and security measures to prevent malicious code execution.

Patching and Updates

Apply patches provided by DCSS promptly to address security vulnerabilities and enhance system protection.