CVE-2013-1776: sudo 1.3.5 through 1.7.10 and 1.8.0 through 1.8.5, when the tty_tickets option is enabled, does not properl...

Security readout for executives and security teams

This sudo flaw can let a local user who already has sudo permissions borrow another terminal's cached sudo authorization. It matters most on shared Unix-like systems where multiple administrators or privileged users work concurrently. There is no source evidence here of active exploitation. Exposure is most likely on legacy Linux, Unix, or macOS systems running affected sudo versions with tty_tickets enabled. Internet-facing status is not the key factor; local shell access and sudo configuration are. Modern patched distributions are less likely affected. Treat this as a legacy local privilege-control issue. It is not evidenced as actively exploited, but it can undermine administrator separation on shared systems. Prioritize patch verification on older servers, jump hosts, appliances, and environments with multiple sudo users. Mitigation focus: Inventory sudo versions across Unix-like systems.; Apply vendor sudo security updates covering CVE-2013-1776.; Prioritize shared admin hosts and multi-user servers..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.