cve/2020/CVE-2020-16126.md

CVE-2020-16126

Description

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.

POC

Reference

• https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS
• https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/developer3000S/PoC-in-GitHub
• https://github.com/hectorgie/PoC-in-GitHub
• https://github.com/nomi-sec/PoC-in-GitHub
• https://github.com/soosmile/POC
• https://github.com/zev3n/Ubuntu-Gnome-privilege-escalation