Gentoo Archives: gentoo-announce

From: Matthias Geerdsen <vorlon@g.o>
To: gentoo-announce@g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200709-08 ] id3lib: Insecure temporary file creation
Date: Sat, 15 Sep 2007 16:10:46
Message-Id: 46EBFD44.1030305@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200709-08
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: id3lib: Insecure temporary file creation
9 Date: September 15, 2007
10 Bugs: #189610
11 ID: 200709-08
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14
15 Synopsis
16 ========
17
18 A vulnerability has been discovered in id3lib allowing local users to
19 overwrite arbitrary files via a symlink attack.
20
21 Background
22 ==========
23
24 id3lib is an open-source, cross-platform software development library
25 for reading, writing, and manipulating ID3v1 and ID3v2 tags.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 media-libs/id3lib < 3.8.3-r6 >= 3.8.3-r6
34
35 Description
36 ===========
37
38 Nikolaus Schulz discovered that the function RenderV2ToFile() in file
39 src/tag_file.cpp creates temporary files in an insecure manner.
40
41 Impact
42 ======
43
44 A local attacker could exploit this vulnerability via a symlink attack
45 to overwrite arbitrary files.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All id3lib users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=media-libs/id3lib-3.8.3-r6"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2007-4460
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4460
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-200709-08.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 http://bugs.gentoo.org.
82
83 License
84 =======
85
86 Copyright 2007 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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