Search results for: Security

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SSH authentication with security keys

You can now authenticate to SSH using a FIDO2 security key by adding a sk-ecdsa-sha2-nistp256@openssh.com or sk-ssh-ed25519@openssh.com SSH key to your account. SSH security keys store secret key material on…

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Featuring Security Advisory Credits

Security researchers provide a critical service to developers by identifying vulnerable software, but unfortunately, many developers don’t know the people behind this work. GitHub Security Advisories allow developers to provide…

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Advanced Security committer reporting

GitHub Advanced Security customers can now view their active committer count for any Advanced Security enabled repositories on their organization or enterprise account’s Billing page. These changes help billing administrators…

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CWE and CVSS in Security Advisories

Security Advisories and GitHub Advisory Database now include Common Weakness Enumeration (CWE) and Common Vulnerability Scoring System (CVSS) information for advisories. When you create a Security Advisory to disclose a…

Exploiting a textbook use-after-free security vulnerability in Chrome

In this post I’ll give details about how to exploit CVE-2020-6449, a use-after-free (UAF) in the WebAudio module of Chrome that I discovered in March 2020. I’ll give an outline of the general strategy to exploit this type of UAF to achieve a sandboxed RCE in Chrome by a single click (and perhaps a 2 minute wait) on a malicious website.

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