[Secure-testing-team] Bug#881205: backintime: CVE-2017-16667: shell injection in notify-send

[Salvatore Bonaccorso]

Source: backintime
Version: 1.1.12-2
Severity: grave
Tags: patch security upstream
Forwarded: https://github.com/bit-team/backintime/issues/834

Hi,

the following vulnerability was published for backintime.

CVE-2017-16667[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-16667
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16667
[1] https://github.com/bit-team/backintime/issues/834
[2] https://github.com/bit-team/backintime/commit/cef81d0da93ff601252607df3db1a48f7f6f01

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore