Gentoo Archives: gentoo-announce

From: Raphael Marichez <falco@g.o>
To: gentoo-announce@g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200709-04 ] po4a: Insecure temporary file creation
Date: Thu, 13 Sep 2007 21:05:04
Message-Id: 20070913201836.GJ29622@falco.falcal.net
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2 Gentoo Linux Security Advisory GLSA 200709-04
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: po4a: Insecure temporary file creation
9 Date: September 13, 2007
10 Bugs: #189440
11 ID: 200709-04
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14
15 Synopsis
16 ========
17
18 A vulnerability has been discovered in po4a, allowing for a symlink
19 attack.
20
21 Background
22 ==========
23
24 po4a is a set of tools for helping with the translation of
25 documentation.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 app-text/po4a < 0.32-r1 >= 0.32-r1
34
35 Description
36 ===========
37
38 The po4a development team reported a race condition in the gettextize()
39 function when creating the file "/tmp/gettextization.failed.po".
40
41 Impact
42 ======
43
44 A local attacker could perform a symlink attack, possibly overwriting
45 files with the permissions of the user running po4a.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All po4a users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=app-text/po4a-0.32-r1"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2007-4462
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4462
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-200709-04.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