CVE-2017-16667

NameCVE-2017-16667
Descriptionbackintime (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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh (attack range: remote)
Debian Bugs881205

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
backintime (PTS)wheezy1.0.10-1fixed
jessie1.0.36-1+deb8u1vulnerable
sid, stretch1.1.12-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
backintimesource(unstable)(unfixed)high881205
backintimesourcewheezy(not affected)

Notes

[stretch] - backintime <no-dsa> (Minor issue)
[jessie] - backintime <no-dsa> (Minor issue)
[wheezy] - backintime <not-affected> (Vulnerable code does not exist)
https://github.com/bit-team/backintime/issues/834
https://github.com/bit-team/backintime/commit/cef81d0da93ff601252607df3db1a48f7f6f01b3

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