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 200705-22 ] FreeType: Buffer overflow
Date: Wed, 30 May 2007 19:05:54
Message-Id: 20070530185008.GA30629@falco.falcal.net
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2 Gentoo Linux Security Advisory GLSA 200705-22
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: FreeType: Buffer overflow
9 Date: May 30, 2007
10 Bugs: #179161
11 ID: 200705-22
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14
15 Synopsis
16 ========
17
18 A vulnerability has been discovered in FreeType allowing for the
19 execution of arbitrary code.
20
21 Background
22 ==========
23
24 FreeType is a True Type Font rendering library.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-libs/freetype < 2.3.4-r2 >= 2.3.4-r2
33 < 2.0
34
35 Description
36 ===========
37
38 Victor Stinner discovered a heap-based buffer overflow in the function
39 Get_VMetrics() in src/truetype/ttgload.c when processing TTF files with
40 a negative n_points attribute.
41
42 Impact
43 ======
44
45 A remote attacker could entice a user to open a specially crafted TTF
46 file, possibly resulting in the execution of arbitrary code with the
47 privileges of the user running FreeType.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All FreeType users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=media-libs/freetype-2.3.4-r2"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2007-2754
66 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2754
67
68 Availability
69 ============
70
71 This GLSA and any updates to it are available for viewing at
72 the Gentoo Security Website:
73
74 http://security.gentoo.org/glsa/glsa-200705-22.xml
75
76 Concerns?
77 =========
78
79 Security is a primary focus of Gentoo Linux and ensuring the
80 confidentiality and security of our users machines is of utmost
81 importance to us. Any security concerns should be addressed to
82 security@g.o or alternatively, you may file a bug at
83 http://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2007 Gentoo Foundation, Inc; referenced text
89 belongs to its owner(s).
90
91 The contents of this document are licensed under the
92 Creative Commons - Attribution / Share Alike license.
93
94 http://creativecommons.org/licenses/by-sa/2.5