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A vulnerability in the sccache client on Linux allows a local user to execute arbitrary code with the privileges of the sccache server by leveraging the LD_PRELOAD environment variable to load a malicious shared library. If the sccache server is running as root, as is the default when installed via the snap package, this can result in local privilege escalation to root.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a simple proof-of-concept (PoC) exploit demonstrating code execution via the LD_PRELOAD environment variable on Linux systems. The main file, 'poc.c', is a shared object that, when loaded (e.g., by setting LD_PRELOAD), executes code to create the file '/tmp/pwned.txt' with the content 'Testing'. The README provides compilation and usage instructions. The 'foo.c' file is a benign C program used as a target for demonstrating the exploit. There are no network or remote attack vectors; the exploit is purely local and demonstrates the ability to execute arbitrary code in the context of a process that loads the shared object. The only fingerprintable endpoint is the file '/tmp/pwned.txt', which serves as evidence of successful code execution.
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