GitHub’s new policies allow removal of PoC exploits used in attacks

Source:-https://www.bleepingcomputer.com/

GitHub announced on Friday their updated community guidelines that explain how the company will deal with exploits and malware samples hosted on their service.

To give some background behind the new policy changes, security researcher Nguyen Jang uploaded a proof-of-concept exploit (PoC) to GitHub in March for the Microsoft Exchange Proxy Logon vulnerability.

Soon after uploading the exploit, Jang received an email from Microsoft-owned GitHub stating that PoC exploit was removed as it violated the Acceptable Use Policies.
In a statement to Bleeping Computer, GitHub said they took down the PoC to protect Microsoft Exchange servers that were being heavily exploited at the time using the vulnerability.
However, GitHub faced immediate backlash from security researchers who felt that GitHub was policing the disclosure of legitimate security research simply because it was affecting a Microsoft product.

GitHub releases updated guidelines
In April, GitHub issued a ‘call for feedback’ to the cybersecurity community regarding their policies for malware and exploits hosted on GitHub.

After a month of input, GitHub officially announced yesterday that repositories created to host malware for malicious campaigns, act as a command and control server, or are used to distribute malicious scripts, are prohibited.

However, the uploading of PoC exploits and malware are permitted as long as they have a dual-user purpose.

In the context of malware and exploits, dual-use means content that can be used for the positive sharing of new information and research while at the same time can also be used for malicious purposes.

The key changes added to the GitHub guidelines are summarized below:

We explicitly permit dual-use security technologies and content related to research into vulnerabilities, malware, and exploits. We understand that many security research projects on GitHub are dual-use and broadly beneficial to the security community. We assume positive intention and use of these projects to promote and drive improvements across the ecosystem. This change modifies previously broad language that could be misinterpreted as hostile toward projects with dual-use, clarifying that such projects are welcome.
We have clarified how and when we may disrupt ongoing attacks that are leveraging the GitHub platform as an exploit or malware content delivery network (CDN). We do not allow use of GitHub in direct support of unlawful attacks that cause technical harm, which we’ve further defined as overconsumption of resources, physical damage, downtime, denial of service, or data loss.
We made clear that we have an appeals and reinstatement process directly in this policy. We allow our users to appeal decisions to restrict their content or account access. This is especially important in the security research context, so we’ve very clearly and directly called out the ability for affected users to appeal action taken against their content.
We’ve suggested a means by which parties may resolve disputes prior to escalating and reporting abuse to GitHub. This appears in the form of a recommendation to leverage an optional SECURITY.md file for the project to provide contact information to resolve abuse reports. This encourages members of our community to resolve conflicts directly with project maintainers without requiring formal GitHub abuse reports.
While dual-use content is allowed, the new GitHub guidelines around PoCs and malware states that they retain the right to remove dual-use content, such as exploits or malware, to disrupt active attacks or malware campaigns utilizing GitHub.

GitHub states that they continue to support community feedback regarding their policies to continue improving their policies.

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