CVE-2017-13649

UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname" command. NOTE: t...

CVE-2017-13649

UnrealIRCd 4.0.13 and earlier is affected: after dropping privileges to a non-root account, a PID file is created which could let local users modify the PID file and influence a root script’s kill command on a path specified by the attacker. The vendor notes there is no common scenario where a ro...