Gentoo Archives: gentoo-announce

From: Stefan Behte <craig@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201301-05 ] bzip2: User-assisted execution of arbitrary code
Date: Wed, 09 Jan 2013 01:33:59
Message-Id: 50ECBEE3.3060404@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201301-05
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: bzip2: User-assisted execution of arbitrary code
9 Date: January 09, 2013
10 Bugs: #338215
11 ID: 201301-05
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14
15 Synopsis
16 ========
17
18 An integer overflow vulnerability has been found in bzip2 and could
19 result in execution of arbitrary code or Denial of Service.
20
21 Background
22 ==========
23
24 bzip2 is a high-quality data compressor used extensively by Gentoo
25 Linux.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 app-arch/bzip2 < 1.0.6 >= 1.0.6
34
35 Description
36 ===========
37
38 An integer overflow vulnerability has been discovered in bzip2. Please
39 review the CVE identifier referenced below for details.
40
41 Impact
42 ======
43
44 A remote attacker could entice a user to open a specially crafted
45 compressed file using bzip2, possibly resulting in execution of
46 arbitrary code with the privileges of the process, or a Denial of
47 Service condition.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All bzip2 users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.6"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2010-0405
66 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0405
67
68 Availability
69 ============
70
71 This GLSA and any updates to it are available for viewing at
72 the Gentoo Security Website:
73
74 http://security.gentoo.org/glsa/glsa-201301-05.xml
75
76 Concerns?
77 =========
78
79 Security is a primary focus of Gentoo Linux and ensuring the
80 confidentiality and security of our users' machines is of utmost
81 importance to us. Any security concerns should be addressed to
82 security@g.o or alternatively, you may file a bug at
83 https://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2013 Gentoo Foundation, Inc; referenced text
89 belongs to its owner(s).
90
91 The contents of this document are licensed under the
92 Creative Commons - Attribution / Share Alike license.
93
94 http://creativecommons.org/licenses/by-sa/2.5

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