Gentoo Archives: gentoo-announce

From: Mikle Kolyada <zlogene@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201507-16 ] Portage: Man-in-the-middle attack
Date: Fri, 10 Jul 2015 13:15:27
Message-Id: 559FC47B.1040603@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201507-16
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Portage: Man-in-the-middle attack
9 Date: July 10, 2015
10 Bugs: #469888
11 ID: 201507-16
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14
15 Synopsis
16 ========
17
18 A vulnerability in Portage's urlopen function could allow a remote
19 attacker to conduct a man-in-the-middle attack.
20
21 Background
22 ==========
23
24 Portage is the package management and distribution system for Gentoo.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 sys-apps/portage < 2.1.12.2 >= 2.1.12.2
33
34 Description
35 ===========
36
37 Portage does not verify X.509 SSL certificate properly if HTTPS is
38 used.
39
40 Impact
41 ======
42
43 A remote attacker can spoof servers and modify binary package lists via
44 specially crafted certificate.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Portage users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=sys-apps/portage-2.1.12.2"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2013-2100
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2100
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/201507-16
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 2015 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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