Gentoo Archives: gentoo-announce

From: Tobias Heinlein <keytoaster@g.o>
To: gentoo-announce@g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200812-14 ] aview: Insecure temporary file usage
Date: Sun, 14 Dec 2008 00:41:56
Message-Id: 49445586.1010001@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200812-14
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: aview: Insecure temporary file usage
9 Date: December 14, 2008
10 Bugs: #235808
11 ID: 200812-14
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14
15 Synopsis
16 ========
17
18 An insecure temporary file usage has been reported in aview, leading to
19 symlink attacks.
20
21 Background
22 ==========
23
24 aview is an ASCII image viewer and animation player.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-gfx/aview < 1.3.0_rc1-r1 >= 1.3.0_rc1-r1
33
34 Description
35 ===========
36
37 Dmitry E. Oboukhov reported that aview uses the "/tmp/aview$$.pgm" file
38 in an insecure manner when processing files.
39
40 Impact
41 ======
42
43 A local attacker could perform symlink attacks to overwrite arbitrary
44 files on the system with the privileges of the user running the
45 application.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All aview users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=media-gfx/aview-1.3.0_rc1-r1"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2008-4935
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4935
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-200812-14.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 2008 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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