Gentoo Archives: gentoo-announce

From: Pierre-Yves Rofes <py@g.o>
To: gentoo-announce@l.g.o
Cc: full-disclosure@××××××××××××××.uk, bugtraq@×××××××××××××.com, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200712-07 ] Lookup: Insecure temporary file creation
Date: Sun, 09 Dec 2007 21:57:24
Message-Id: 475C6155.4070506@gentoo.org
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5 Gentoo Linux Security Advisory GLSA 200712-07
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7 http://security.gentoo.org/
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9
10 Severity: Normal
11 Title: Lookup: Insecure temporary file creation
12 Date: December 09, 2007
13 Bugs: #197306
14 ID: 200712-07
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18 Synopsis
19 ========
20
21 Lookup uses temporary files in an insecure manner, allowing for a
22 symlink attack.
23
24 Background
25 ==========
26
27 Lookup is a search interface to books and dictionnaries for Emacs.
28
29 Affected packages
30 =================
31
32 -------------------------------------------------------------------
33 Package / Vulnerable / Unaffected
34 -------------------------------------------------------------------
35 1 app-emacs/lookup < 1.4.1 >= 1.4.1
36
37 Description
38 ===========
39
40 Tatsuya Kinoshita reported that the ndeb-binary function does not
41 handle temporay files correctly.
42
43 Impact
44 ======
45
46 A local attacker could use a symlink attack to overwrite files with the
47 privileges of the user running Lookup.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All Lookup users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=app-emacs/lookup-1.4.1"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2007-0237
66 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0237
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-200712-07.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 http://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2007 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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