Websec Cybersecurity Blog
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Blog October 3, 2023
A Comparison Between the Real User ID and the Effective User ID is not Enough to Prevent Privilege Escalation
In Unix-like systems, processes have a real and effective user ID determining their access permissions. While usually identical, they can differ in situations like when the setuid bit is activated in executables.
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Blog May 19, 2022
CVE-2022-21404: Another story of developers fixing vulnerabilities unknowingly because of CodeQL
How CodeQL may help reduce false negatives within Open-Source projects. Taking a look into a deserialization vulnerability within Oracle Helidon (CVE-2022-21404).