A vulnerability in sudoedit in Sudo before version 1.8.15 allows local users to escalate privileges by exploiting a symlink attack. The issue arises when a file path in /etc/sudoers is defined using multiple wildcards (e.g., "/home///file.txt"). An attacker can create a symlink at a matching path, causing sudoedit to operate on an unintended file, potentially leading to privilege escalation.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository provides a local privilege escalation exploit for CVE-2015-5602, targeting sudo versions 1.8.13 and below (<=1.8.14) on Linux. The exploit leverages a misconfiguration in the sudoers file that allows a user to run sudoedit on a path with double wildcards (e.g., /home/*/*/esc.txt) without a password. The exploit script (exploit.sh) creates a symlink from a user-controlled path to /etc/shadow, sets a custom EDITOR that overwrites the root password hash, and invokes sudoedit to trigger the vulnerability. The Dockerfile sets up a vulnerable environment with the necessary sudo version and sudoers configuration for testing. The main fingerprintable endpoints are the /etc/shadow file (target of the attack), the sudoers entry for /home/*/*/esc.txt, and the custom editor script at /tmp/edit. The exploit is operational and provides root access by changing the root password to a known value.
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