Gentoo Archives: gentoo-announce

From: Aaron Bauman <bman@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201801-06 ] Back In Time: Command injection
Date: Sun, 07 Jan 2018 23:42:54
Message-Id: 2656969.04icUuYMUl@localhost.localdomain
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2 Gentoo Linux Security Advisory GLSA 201801-06
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Back In Time: Command injection
9 Date: January 07, 2018
10 Bugs: #636974
11 ID: 201801-06
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14
15 Synopsis
16 ========
17
18 A command injection vulnerability in 'Back in Time' may allow for the
19 execution of arbitrary shell commands.
20
21 Background
22 ==========
23
24 A simple backup tool for Linux, inspired by "flyback project".
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 app-backup/backintime < 1.1.24 >= 1.1.24
33
34 Description
35 ===========
36
37 'Back in Time' did improper escaping/quoting of file paths used as
38 arguments to the 'notify-send' command leading to some parts of file
39 paths being executed as shell commands within an os.system call.
40
41 Impact
42 ======
43
44 A context-dependent attacker could execute arbitrary shell commands via
45 a specially crafted file.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All 'Back In Time' users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=app-backup/backintime-1.1.24"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2017-16667
64 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-16667
65
66 Availability
67 ============
68
69 This GLSA and any updates to it are available for viewing at
70 the Gentoo Security Website:
71
72 https://security.gentoo.org/glsa/201801-06
73
74 Concerns?
75 =========
76
77 Security is a primary focus of Gentoo Linux and ensuring the
78 confidentiality and security of our users' machines is of utmost
79 importance to us. Any security concerns should be addressed to
80 security@g.o or alternatively, you may file a bug at
81 https://bugs.gentoo.org.
82
83 License
84 =======

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