Gentoo Archives: gentoo-announce

From: glsamaker@g.o
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202208-07 ] LibRaw: Stack buffer overread
Date: Wed, 10 Aug 2022 04:41:43
Message-Id: 166010438091.7.12662075917553131088@fa4d926cc35c
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2 Gentoo Linux Security Advisory GLSA 202208-07
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4 https://security.gentoo.org/
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6
7 Severity: Low
8 Title: LibRaw: Stack buffer overread
9 Date: August 10, 2022
10 Bugs: #793956
11 ID: 202208-07
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14
15 Synopsis
16 ========
17
18 A buffer overread in LibRaw might allow an attacker to cause denial of
19 service.
20
21 Background
22 ==========
23
24 LibRaw is a library for reading RAW files obtained from digital photo
25 cameras.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 media-libs/libraw < 0.20.2 >= 0.20.2
34
35 Description
36 ===========
37
38 LibRaw incorrectly handles parsing DNG fields in some cases, potentially
39 resulting in a buffer overread leading to denial of service.
40
41 Impact
42 ======
43
44 An attacker capable of providing crafted input to LibRaw could trigger denial of service.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All LibRaw users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=media-libs/libraw-0.20.2"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2020-24870
63 https://nvd.nist.gov/vuln/detail/CVE-2020-24870
64
65 Availability
66 ============
67
68 This GLSA and any updates to it are available for viewing at
69 the Gentoo Security Website:
70
71 https://security.gentoo.org/glsa/202208-07
72
73 Concerns?
74 =========
75
76 Security is a primary focus of Gentoo Linux and ensuring the
77 confidentiality and security of our users' machines is of utmost
78 importance to us. Any security concerns should be addressed to
79 security@g.o or alternatively, you may file a bug at
80 https://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2022 Gentoo Foundation, Inc; referenced text
86 belongs to its owner(s).
87
88 The contents of this document are licensed under the
89 Creative Commons - Attribution / Share Alike license.
90
91 https://creativecommons.org/licenses/by-sa/2.5

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