Gentoo Archives: gentoo-announce

From: Kristian Fiskerstrand <k_f@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201509-06 ] Git: Arbitrary command execution
Date: Thu, 24 Sep 2015 17:09:33
Message-Id: 56042C0A.9030106@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201509-06
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Git: Arbitrary command execution
9 Date: September 24, 2015
10 Bugs: #532984
11 ID: 201509-06
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14
15 Synopsis
16 ========
17
18 An attacker could execute arbitrary commands via Git repositories in a
19 case-insensitive or case-normalizing filesystem.
20
21 Background
22 ==========
23
24 Git is a free and open source distributed version control system
25 designed to handle everything from small to very large projects with
26 speed and efficiency.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 dev-vcs/git < 2.0.5 *>= 1.8.5.6
35 *>= 1.9.5
36 >= 2.0.5
37
38 Description
39 ===========
40
41 A vulnerability in Git causing Git-compatible clients that access
42 case-insensitive or case-normalizing filesystems to overwrite the
43 .git/config when cloning or checking out a repository, leading to
44 execution of arbitrary commands.
45
46 Impact
47 ======
48
49 An attacker can execute arbitrary commands on a client machine that
50 clones a crafted malicious Git tree.
51
52 Workaround
53 ==========
54
55 There is no known workaround at this time.
56
57 Resolution
58 ==========
59
60 All Git 1.8.x users should upgrade to the latest version:
61
62 # emerge --sync
63 # emerge --ask --oneshot --verbose ">=dev-vcs/git-1.8.5.6"
64
65 All Git 1.9.x users should upgrade to the latest version:
66
67 # emerge --sync
68 # emerge --ask --oneshot --verbose ">=dev-vcs/git-1.9.5"
69
70 All Git 2.0.x users should upgrade to the latest version:
71
72 # emerge --sync
73 # emerge --ask --oneshot --verbose ">=dev-vcs/git-2.0.5"
74
75 References
76 ==========
77
78 [ 1 ] CVE-2014-9390
79 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9390
80
81 Availability
82 ============
83
84 This GLSA and any updates to it are available for viewing at
85 the Gentoo Security Website:
86
87 https://security.gentoo.org/glsa/201509-06
88
89 Concerns?
90 =========
91
92 Security is a primary focus of Gentoo Linux and ensuring the
93 confidentiality and security of our users' machines is of utmost
94 importance to us. Any security concerns should be addressed to
95 security@g.o or alternatively, you may file a bug at
96 https://bugs.gentoo.org.
97
98 License
99 =======
100
101 Copyright 2015 Gentoo Foundation, Inc; referenced text
102 belongs to its owner(s).
103
104 The contents of this document are licensed under the
105 Creative Commons - Attribution / Share Alike license.
106
107 http://creativecommons.org/licenses/by-sa/2.5

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