Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201702-05 ] Lsyncd: Remote execution of arbitrary code
Date: Fri, 10 Feb 2017 23:15:47
Message-Id: cba7c09e-8d56-6f24-2933-5eb4c9b3f754@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201702-05
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Lsyncd: Remote execution of arbitrary code
9 Date: February 10, 2017
10 Bugs: #529678
11 ID: 201702-05
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14
15 Synopsis
16 ========
17
18 A vulnerability in Lsyncd allows execution of arbitrary code.
19
20 Background
21 ==========
22
23 A daemon to synchronize local directories using rsync.
24
25 Affected packages
26 =================
27
28 -------------------------------------------------------------------
29 Package / Vulnerable / Unaffected
30 -------------------------------------------------------------------
31 1 app-admin/lsyncd < 2.1.6 >= 2.1.6
32
33 Description
34 ===========
35
36 default-rsyncssh.lua in Lsyncd performed insufficient sanitising of
37 filenames.
38
39 Impact
40 ======
41
42 An attacker, able to control files processed by Lsyncd, could possibly
43 execute arbitrary code with the privileges of the process or cause a
44 Denial of Service condition.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Lsyncd users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=app-admin/lsyncd-2.1.6"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2014-8990
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8990
64
65 Availability
66 ============
67
68 This GLSA and any updates to it are available for viewing at
69 the Gentoo Security Website:
70
71 https://security.gentoo.org/glsa/201702-05
72
73 Concerns?
74 =========
75
76 Security is a primary focus of Gentoo Linux and ensuring the
77 confidentiality and security of our users' machines is of utmost
78 importance to us. Any security concerns should be addressed to
79 security@g.o or alternatively, you may file a bug at
80 https://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2017 Gentoo Foundation, Inc; referenced text
86 belongs to its owner(s).
87
88 The contents of this document are licensed under the
89 Creative Commons - Attribution / Share Alike license.
90
91 http://creativecommons.org/licenses/by-sa/2.5

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