National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-16667 Detail

Current 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.

Source:  MITRE
Description Last Modified:  11/08/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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

Technical Details

Vulnerability Type (View All)

  • OS Command Injections (CWE-78)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-16667
NVD Published Date:
11/08/2017
NVD Last Modified:
01/08/2018