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CVE-2017-11746

Published: 30 July 2017

Tenshi 0.15 creates a tenshi.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 tenshi.pid modification before a root script executes a "kill `cat /pathname/tenshi.pid`" command.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tenshi
Launchpad, Ubuntu, Debian
trusty
Released (0.13-2+deb7u1~build0.14.04.1)
upstream
Released (0.13-2+deb7u1)
xenial
Released (0.13-2+deb7u1~build0.16.04.1)
zesty
Released (0.13-2+deb7u1~build0.17.04.1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H