Gentoo Archives: gentoo-announce

From: Yury German <blueknight@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201412-41 ] OpenVPN: Denial of Service
Date: Fri, 26 Dec 2014 18:28:50
Message-Id: 549DA880.3010208@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201412-41
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: OpenVPN: Denial of Service
9 Date: December 26, 2014
10 Bugs: #531308
11 ID: 201412-41
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14
15 Synopsis
16 ========
17
18 A vulnerability in OpenVPN could lead to Denial of Service.
19
20 Background
21 ==========
22
23 OpenVPN is a multi-platform, full-featured SSL VPN solution.
24
25 Affected packages
26 =================
27
28 -------------------------------------------------------------------
29 Package / Vulnerable / Unaffected
30 -------------------------------------------------------------------
31 1 net-misc/openvpn < 2.3.6 >= 2.3.6
32
33 Description
34 ===========
35
36 OpenVPN does not properly handle control channel packets that are too
37 small.
38
39 Impact
40 ======
41
42 A remote authenticated attacker could send a specially crafted control
43 channel packet, possibly resulting in a Denial of Service condition.
44
45 Workaround
46 ==========
47
48 There is no known workaround at this time.
49
50 Resolution
51 ==========
52
53 All OpenVPN users should upgrade to the latest version:
54
55 # emerge --sync
56 # emerge --ask --oneshot --verbose ">=net-misc/openvpn-2.3.6"
57
58 References
59 ==========
60
61 [ 1 ] CVE-2014-8104
62 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8104
63
64 Availability
65 ============
66
67 This GLSA and any updates to it are available for viewing at
68 the Gentoo Security Website:
69
70 http://security.gentoo.org/glsa/glsa-201412-41.xml
71
72 Concerns?
73 =========
74
75 Security is a primary focus of Gentoo Linux and ensuring the
76 confidentiality and security of our users' machines is of utmost
77 importance to us. Any security concerns should be addressed to
78 security@g.o or alternatively, you may file a bug at
79 https://bugs.gentoo.org.
80
81 License
82 =======
83
84 Copyright 2014 Gentoo Foundation, Inc; referenced text
85 belongs to its owner(s).
86
87 The contents of this document are licensed under the
88 Creative Commons - Attribution / Share Alike license.
89
90 http://creativecommons.org/licenses/by-sa/2.5

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