Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201701-07 ] Open vSwitch: Remote execution of arbitrary code
Date: Sun, 01 Jan 2017 16:04:57
Message-Id: c62a6903-bc10-9c41-852c-923fb18b7f7f@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201701-07
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Open vSwitch: Remote execution of arbitrary code
9 Date: January 01, 2017
10 Bugs: #577568
11 ID: 201701-07
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14
15 Synopsis
16 ========
17
18 A buffer overflow in Open vSwitch might allow remote attackers to
19 execute arbitrary code.
20
21 Background
22 ==========
23
24 Open vSwitch is a production quality multilayer virtual switch.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-misc/openvswitch < 2.5.0 >= 2.5.0
33
34 Description
35 ===========
36
37 A buffer overflow was discovered in lib/flow.c in ovs-vswitchd.
38
39 Impact
40 ======
41
42 A remote attacker, using a specially crafted MPLS packet, could execute
43 arbitrary code.
44
45 Workaround
46 ==========
47
48 There is no known workaround at this time.
49
50 Resolution
51 ==========
52
53 All Open vSwitch users should upgrade to the latest version:
54
55 # emerge --sync
56 # emerge --ask --oneshot --verbose ">=net-misc/openvswitch-2.5.0"
57
58 References
59 ==========
60
61 [ 1 ] CVE-2016-2074
62 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2074
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 https://security.gentoo.org/glsa/201701-07
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 2017 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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