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 200803-11 ] Vobcopy: Insecure temporary file creation
Date: Wed, 05 Mar 2008 22:18:37
Message-Id: 47CF23B3.9040808@gentoo.org
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5 Gentoo Linux Security Advisory GLSA 200803-11
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7 http://security.gentoo.org/
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10 Severity: Normal
11 Title: Vobcopy: Insecure temporary file creation
12 Date: March 05, 2008
13 Bugs: #197578
14 ID: 200803-11
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17
18 Synopsis
19 ========
20
21 Vobcopy uses temporary files in an insecure manner, allowing for a
22 symlink attack.
23
24 Background
25 ==========
26
27 Vobcopy is a tool for decrypting and copying DVD .vob files to a hard
28 disk.
29
30 Affected packages
31 =================
32
33 -------------------------------------------------------------------
34 Package / Vulnerable / Unaffected
35 -------------------------------------------------------------------
36 1 media-video/vobcopy < 1.1.0 >= 1.1.0
37
38 Description
39 ===========
40
41 Joey Hess reported that vobcopy appends data to the file
42 "/tmp/vobcopy.bla" in an insecure manner.
43
44 Impact
45 ======
46
47 A local attacker could exploit this vulnerability to conduct symlink
48 attacks and append data to arbitrary files with the privileges of the
49 user running Vobcopy.
50
51 Workaround
52 ==========
53
54 There is no known workaround at this time.
55
56 Resolution
57 ==========
58
59 All Vobcopy users should upgrade to the latest version:
60
61 # emerge --sync
62 # emerge --ask --oneshot --verbose ">=media-video/vobcopy-1.1.0"
63
64 References
65 ==========
66
67 [ 1 ] CVE-2007-5718
68 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5718
69
70 Availability
71 ============
72
73 This GLSA and any updates to it are available for viewing at
74 the Gentoo Security Website:
75
76 http://security.gentoo.org/glsa/glsa-200803-11.xml
77
78 Concerns?
79 =========
80
81 Security is a primary focus of Gentoo Linux and ensuring the
82 confidentiality and security of our users machines is of utmost
83 importance to us. Any security concerns should be addressed to
84 security@g.o or alternatively, you may file a bug at
85 http://bugs.gentoo.org.
86
87 License
88 =======
89
90 Copyright 2008 Gentoo Foundation, Inc; referenced text
91 belongs to its owner(s).
92
93 The contents of this document are licensed under the
94 Creative Commons - Attribution / Share Alike license.
95
96 http://creativecommons.org/licenses/by-sa/2.5
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