Gentoo Archives: gentoo-announce

From: Sergey Popov <pinkbyte@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201312-08 ] WebP: User-assisted execution of arbitrary code
Date: Tue, 10 Dec 2013 08:36:58
Message-Id: 52A6D1F7.2000300@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201312-08
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: WebP: User-assisted execution of arbitrary code
9 Date: December 10, 2013
10 Bugs: #442152
11 ID: 201312-08
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14
15 Synopsis
16 ========
17
18 An integer overflow vulnerability in WebP could lead to arbitrary code
19 execution or Denial of Service.
20
21 Background
22 ==========
23
24 WebP is a lossy image compression format.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-libs/libwebp < 0.2.1 >= 0.2.1
33
34 Description
35 ===========
36
37 An integer overflow flaw has been found in WebP.
38
39 Impact
40 ======
41
42 A remote attacker could entice a user to open a specially crafted image
43 in an application linked against WebP, possibly resulting in execution
44 of arbitrary code with the privileges of the process or a Denial of
45 Service condition.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All WebP users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=media-libs/libwebp-0.2.1"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2012-5127
64 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5127
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-201312-08.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 2013 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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