Gentoo Archives: gentoo-announce

From: Alex Legler <a3li@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200909-09 ] Screenie: Insecure temporary file usage
Date: Wed, 09 Sep 2009 13:59:21
Message-Id: 20090909152254.477ab1c4@neon
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2 Gentoo Linux Security Advisory GLSA 200909-09
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Screenie: Insecure temporary file usage
9 Date: September 09, 2009
10 Bugs: #250476
11 ID: 200909-09
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14
15 Synopsis
16 ========
17
18 An insecure temporary file usage has been reported in Screenie,
19 allowing for symlink attacks.
20
21 Background
22 ==========
23
24 Screenie is a small screen frontend that is designed to be a session
25 handler.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 app-misc/screenie < 1.30.0-r1 >= 1.30.0-r1
34
35 Description
36 ===========
37
38 Dmitry E. Oboukhov reported that Screenie does not handle
39 "/tmp/.screenie.#####" temporary files securely.
40
41 Impact
42 ======
43
44 A local attacker could perform symlink attacks to overwrite arbitrary
45 files with the privileges of the user running the application.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All Screenie users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose =app-misc/screenie-1.30.0-r1
59
60 References
61 ==========
62
63 [ 1 ] CVE-2008-5371
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5371
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-200909-09.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 2009 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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