Gentoo Archives: gentoo-announce

From: Mikle Kolyada <zlogene@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201409-03 ] dhcpcd: Denial of service
Date: Wed, 03 Sep 2014 16:10:30
Message-Id: 540734A7.8070502@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201409-03
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: dhcpcd: Denial of service
9 Date: September 03, 2014
10 Bugs: #518596
11 ID: 201409-03
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14
15 Synopsis
16 ========
17
18 A vulnerability in dhcpcd can lead to a Denial of Service condition.
19
20 Background
21 ==========
22
23 dhcpcd is a fully featured, yet light weight RFC2131 compliant DHCP
24 client.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-misc/dhcpcd < 6.4.3 >= 6.4.3
33
34 Description
35 ===========
36
37 A vulnerability has been discovered in dhcpcd. A malicious dhcp server
38 can set flags as part of the dhcp reply that can cause a Denial of
39 Service condition.
40
41 Impact
42 ======
43
44 A remote attacker can cause a 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 dhcpcd users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=net-misc/dhcpcd-6.4.3"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2014-6060
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6060
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 http://security.gentoo.org/glsa/glsa-201409-03.xml
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 2014 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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