Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202011-15 ] libmaxminddb: Denial of service
Date: Sat, 14 Nov 2020 18:17:37
Message-Id: 2291E783-D6BF-4B40-B5C1-A8261DD21470@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202011-15
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: libmaxminddb: Denial of service
9 Date: November 14, 2020
10 Bugs: #753275
11 ID: 202011-15
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14
15 Synopsis
16 ========
17
18 A vulnerability in libmaxminddb could lead to a Denial of Service
19 condition.
20
21 Background
22 ==========
23
24 The libmaxminddb library provides a C library for reading MaxMind DB
25 files, including the GeoIP2 databases from MaxMind.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 dev-libs/libmaxminddb < 1.4.3 >= 1.4.3
34
35 Description
36 ===========
37
38 libmaxminddb used uninitialised memory when reading from a corrupt
39 database file.
40
41 Impact
42 ======
43
44 A remote attacker could entice a user to use a specially crafted
45 database with libmaxminddb, possibly resulting in a Denial of Service
46 condition.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All libmaxminddb users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=dev-libs/libmaxminddb-1.4.3"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2020-28241
65 https://nvd.nist.gov/vuln/detail/CVE-2020-28241
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/202011-15
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