Package: sysvinit-utils Version: 2.93-8 Severity: normal Dear Maintainer,
#571590 added the '-f' argument to pidof, which allows to specify an arbitrary format string for the PIDs. Unfortunately this is broken, because passing plain user input to printf() can easily exploited: $ pidof -f "$(perl -e 'print "%016llx\n"x256')" pidof 000000000000059d 0000000000000000 000000000000000f 0000558b3f9a5280 00007fd300000000 [...] $ pidof -f %s pidof Segmentation fault Regards, Matteo Croce per aspera ad upstream -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (990, 'testing'), (500, 'unstable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.0.0-apu (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages sysvinit-utils depends on: ii init-system-helpers 1.56+nmu1 ii libc6 2.28-8 ii util-linux 2.33.1-0.1 sysvinit-utils recommends no packages. sysvinit-utils suggests no packages. -- no debconf information