Gentoo Archives: gentoo-announce

From: Sune Kloppenborg Jeppesen <jaervosz@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200612-13 ] libgsf: Buffer overflow
Date: Tue, 12 Dec 2006 22:38:05
Message-Id: 200612122313.38373.jaervosz@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200612-13
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: libgsf: Buffer overflow
9 Date: December 12, 2006
10 Bugs: #156693
11 ID: 200612-13
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14
15 Synopsis
16 ========
17
18 libgsf improperly allocates memory allowing for a heap overflow and
19 possibly the execution of arbitrary code.
20
21 Background
22 ==========
23
24 The GNOME Structured File Library is an I/O library that can read and
25 write common file types and handle structured formats that provide
26 file-system-in-a-file semantics.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 gnome-extra/libgsf < 1.14.2 >= 1.14.2
35
36 Description
37 ===========
38
39 "infamous41md" has discovered that the "ole_init_info" function may
40 allocate too little memory for storing the contents of an OLE document,
41 resulting in a heap buffer overflow.
42
43 Impact
44 ======
45
46 An attacker could entice a user to open a specially crafted OLE
47 document, and possibly execute arbitrary code with the rights of the
48 user opening the document.
49
50 Workaround
51 ==========
52
53 There is no known workaround at this time.
54
55 Resolution
56 ==========
57
58 All libgsf users should upgrade to the latest version:
59
60 # emerge --sync
61 # emerge --ask --oneshot --verbose ">=gnome-extra/libgsf-1.14.2"
62
63 References
64 ==========
65
66 [ 1 ] CVE-2006-4514
67 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4514
68
69 Availability
70 ============
71
72 This GLSA and any updates to it are available for viewing at
73 the Gentoo Security Website:
74
75 http://security.gentoo.org/glsa/glsa-200612-13.xml
76
77 Concerns?
78 =========
79
80 Security is a primary focus of Gentoo Linux and ensuring the
81 confidentiality and security of our users machines is of utmost
82 importance to us. Any security concerns should be addressed to
83 security@g.o or alternatively, you may file a bug at
84 http://bugs.gentoo.org.
85
86 License
87 =======
88
89 Copyright 2006 Gentoo Foundation, Inc; referenced text
90 belongs to its owner(s).
91
92 The contents of this document are licensed under the
93 Creative Commons - Attribution / Share Alike license.
94
95 http://creativecommons.org/licenses/by-sa/2.5