Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202008-05 ] gThumb: Arbitrary code execution
Date: Sat, 08 Aug 2020 04:32:17
Message-Id: FD45945B-668C-4E46-ABF1-D1BB3529ECA1@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202008-05
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: gThumb: Arbitrary code execution
9 Date: August 08, 2020
10 Bugs: #712932
11 ID: 202008-05
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14
15 Synopsis
16 ========
17
18 A buffer overflow in gThumb might allow remote attacker(s) to execute
19 arbitrary code.
20
21 Background
22 ==========
23
24 gThumb is an image viewer and browser for GNOME.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-gfx/gthumb < 3.10.0 >= 3.10.0
33
34 Description
35 ===========
36
37 A heap-based buffer overflow in gThumb's
38 _cairo_image_surface_create_from_jpeg() function, located in
39 extensions/cairo_io/cairo-image-surface-jpeg.c was discovered.
40
41 Impact
42 ======
43
44 A remote attacker could entice a user to open a specially crafted image
45 file using gThumb, possibly resulting in execution of arbitrary code
46 with the privileges of the process or a Denial of Service condition.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All gThumb users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=media-gfx/gthumb-3.10.0"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2019-20326
65 https://nvd.nist.gov/vuln/detail/CVE-2019-20326
66
67 Availability
68 ============
69
70 This GLSA and any updates to it are available for viewing at
71 the Gentoo Security Website:
72
73 https://security.gentoo.org/glsa/202008-05
74
75 Concerns?
76 =========
77
78 Security is a primary focus of Gentoo Linux and ensuring the
79 confidentiality and security of our users' machines is of utmost
80 importance to us. Any security concerns should be addressed to
81 security@g.o or alternatively, you may file a bug at
82 https://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2020 Gentoo Foundation, Inc; referenced text
88 belongs to its owner(s).
89
90 The contents of this document are licensed under the
91 Creative Commons - Attribution / Share Alike license.
92
93 https://creativecommons.org/licenses/by-sa/2.5

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