Gentoo Archives: gentoo-announce

From: Sean Amoss <ackle@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201207-03 ] ChaSen: User-assisted execution of arbitrary code
Date: Mon, 09 Jul 2012 22:50:55
Message-Id: 4FFB5E30.9050408@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201207-03
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: ChaSen: User-assisted execution of arbitrary code
9 Date: July 09, 2012
10 Bugs: #390769
11 ID: 201207-03
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14
15 Synopsis
16 ========
17
18 A buffer overflow vulnerability in ChaSen could result in the execution
19 of arbitrary code.
20
21 Background
22 ==========
23
24 ChaSen is a Japanese morphological analysis system.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 app-text/chasen < 2.4.4-r2 >= 2.4.4-r2
33
34 Description
35 ===========
36
37 An error in chalib.c of ChaSen could cause a buffer overflow.
38
39 Impact
40 ======
41
42 A remote attacker could entice a user to open a specially crafted text
43 file using ChaSen or an application using the ChaSen libraries,
44 possibly resulting in execution of arbitrary code with the privileges
45 of the process or a Denial of Service condition.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All ChaSen users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=app-text/chasen-2.4.4-r2"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2011-4000
64 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4000
65
66 Availability
67 ============
68
69 This GLSA and any updates to it are available for viewing at
70 the Gentoo Security Website:
71
72 http://security.gentoo.org/glsa/glsa-201207-03.xml
73
74 Concerns?
75 =========
76
77 Security is a primary focus of Gentoo Linux and ensuring the
78 confidentiality and security of our users' machines is of utmost
79 importance to us. Any security concerns should be addressed to
80 security@g.o or alternatively, you may file a bug at
81 https://bugs.gentoo.org.
82
83 License
84 =======
85
86 Copyright 2012 Gentoo Foundation, Inc; referenced text
87 belongs to its owner(s).
88
89 The contents of this document are licensed under the
90 Creative Commons - Attribution / Share Alike license.
91
92 http://creativecommons.org/licenses/by-sa/2.5

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