Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202005-11 ] VLC: Buffer overflow
Date: Thu, 14 May 2020 22:26:16
Message-Id: ef2b2c15-c194-214e-2114-96468ea7a81a@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202005-11
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: VLC: Buffer overflow
9 Date: May 14, 2020
10 Bugs: #721940
11 ID: 202005-11
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14
15 Synopsis
16 ========
17
18 A buffer overflow in VLC might allow local or remote attacker(s) to
19 execute arbitrary code.
20
21 Background
22 ==========
23
24 VLC is a cross-platform media player and streaming server.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-video/vlc < 3.0.10 >= 3.0.10
33
34 Description
35 ===========
36
37 A buffer overflow in DecodeBlock in sdl_image.c was discovered.
38
39 Impact
40 ======
41
42 A remote user could craft a specifically crafted image file that could
43 execute arbitrary code or cause denial of service.
44
45 Workaround
46 ==========
47
48 The user should refrain from opening files from untrusted third parties
49 or accessing untrusted remote sites (or disable the VLC browser
50 plugins), until they upgrade.
51
52 Resolution
53 ==========
54
55 All VLC users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=media-video/vlc-3.0.10"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2019-19721
64 https://nvd.nist.gov/vuln/detail/CVE-2019-19721
65 [ 2 ] Upstream patch
66
67 https://git.videolan.org/?p=vlc/vlc-3.0.git;a=commit;h=72afe7ebd8305bf4f5360293b8621cde52ec506b
68 [ 3 ] VideoLAN-SB-VLC-309
69 https://www.videolan.org/security/sb-vlc309.html
70
71 Availability
72 ============
73
74 This GLSA and any updates to it are available for viewing at
75 the Gentoo Security Website:
76
77 https://security.gentoo.org/glsa/202005-11
78
79 Concerns?
80 =========
81
82 Security is a primary focus of Gentoo Linux and ensuring the
83 confidentiality and security of our users' machines is of utmost
84 importance to us. Any security concerns should be addressed to
85 security@g.o or alternatively, you may file a bug at
86 https://bugs.gentoo.org.
87
88 License
89 =======
90
91 Copyright 2020 Gentoo Foundation, Inc; referenced text
92 belongs to its owner(s).
93
94 The contents of this document are licensed under the
95 Creative Commons - Attribution / Share Alike license.
96
97 https://creativecommons.org/licenses/by-sa/2.5

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