
CVE-2020-16126 – accountsservice drops ruid, allows unprivileged users to send it signals
https://notcve.org/view.php?id=CVE-2020-16126
03 Nov 2020 — An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped the ruid, allowing untrusted users to send signals to AccountService, thus stopping it from handling D-Bus messages in a timely fashion. Una modificación específica de Ubuntu para AccountsService en versiones anteriores a 0.6.55-0ubuntu13.2, entre otras versiones anteriores, eliminó incorrectamente el ruid, lo que permitió a usuarios que no eran de confianza enviar señal... • https://github.com/zev3n/Ubuntu-Gnome-privilege-escalation • CWE-269: Improper Privilege Management •

CVE-2020-16127 – accountsservice .pam_environment infinite loop
https://notcve.org/view.php?id=CVE-2020-16127
03 Nov 2020 — An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location. Una modificación específica de Ubuntu para AccountsService en versiones anteriores a 0.6.55-0ubuntu13.2, entre otras versiones anteriores, llevaría a cabo operaciones de lectura ilimitadas en archivos ~/.pam_environment controlados por e... • https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS • CWE-20: Improper Input Validation CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVE-2018-14036 – accountsservice: insufficient path check in user_change_icon_file_authorized_cb() in user.c
https://notcve.org/view.php?id=CVE-2018-14036
13 Jul 2018 — Directory Traversal with ../ sequences occurs in AccountsService before 0.6.50 because of an insufficient path check in user_change_icon_file_authorized_cb() in user.c. IBM iNotes en versiones anteriores a la 8.5.3 Fix Pack 6 y versiones 9.x anteriores a la 9.0.1 permite que atacantes remotos omitan el mecanismo de filtrado remoto de imágenes y obtener información sensible mediante un mensaje de email manipulado. IBM X-Force ID: 83371. Kevin Backhouse discovered that AccountsService incorrectly dropped priv... • http://www.openwall.com/lists/oss-security/2018/07/02/2 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •