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CVE-2013-1775 is an authentication-timeout bypass in sudo versions 1.6.0 through 1.7.10p6 and 1.8.0 through 1.8.6p6. In affected releases, sudo -k resets a user’s sudo timestamp to the Unix epoch rather than removing it, and timestamp validation does not reject an epoch-valued timestamp. A user who has authenticated to sudo previously can reset the timestamp and set the local clock to the epoch, causing sudo to regard the timestamp as valid and skip password re-authentication.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module (modules/exploits/osx/local/sudo_password_bypass.rb) that exploits a local privilege escalation vulnerability in certain versions of sudo on Mac OS X (CVE-2013-1775). The exploit targets systems where the user is in the admin group, has previously used sudo, and the Date/Time preferences are not locked. The module works by resetting the system clock to the Unix epoch (01-01-1970), which allows bypassing the sudo password prompt. It then drops and executes a payload as root, granting full privileges to the attacker. The module includes checks for vulnerability, handles cleanup by restoring the original system time, and supports both native binary and shell command payloads. The main endpoints manipulated are the systemsetup binary and a temporary file for the payload. The code is operational and ready for use within the Metasploit framework.
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