CVE-2017-16667 Information

Description

backintime (aka Back in Time) before 1.1.24 did improper escaping/quoting of file paths used as arguments to the ’notify-send’ command leading to some parts of file paths being executed as shell commands within an os.system call in qt4/plugins/notifyplugin.py. This could allow an attacker to craft an unreadable file with a specific name to run arbitrary shell commands.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/bit-team/backintime/commit/cef81d0da93ff601252607df3db1a48f7f6f01b3 https://github.com/bit-team/backintime/issues/834 https://github.com/bit-team/backintime/releases/tag/v1.1.24 https://security.gentoo.org/glsa/201801-06

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8