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CVE-2017-16667

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Date: November 8, 2017

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.

Language: Python

Severity Score

Related Resources (7)

https://github.com/bit-team/backintime/issues/834
https://nvd.nist.gov/vuln/detail/CVE-2017-16667
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-16667
https://github.com/bit-team/backintime/releases/tag/v1.1.24
https://github.com/bit-team/backintime/commit/cef81d0da93ff601252607df3db1a48f7f6f01b3
https://security.gentoo.org/glsa/201801-06
https://www.mend.io/vulnerability-database/CVE-2017-16667

Severity Score

Weakness Type (CWE)

OS Command Injections

CWE-78

Top Fix

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CVSS v3.1

Base Score:
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

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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