Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202101-32 ] Mutt, NeoMutt: Information disclosure
Date: Wed, 27 Jan 2021 00:58:17
Message-Id: C4CA25DA-438C-4BB8-81BC-7E373E0B5519@gentoo.org
1 To: gentoo-announce@l.g.o
2 Subject: [ GLSA 202101-32 ] Mutt, NeoMutt: Information disclosure
3
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5 Gentoo Linux Security Advisory GLSA 202101-32
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7 https://security.gentoo.org/
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9
10 Severity: Normal
11 Title: Mutt, NeoMutt: Information disclosure
12 Date: January 26, 2021
13 Bugs: #755833, #755866
14 ID: 202101-32
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17
18 Synopsis
19 ========
20
21 A weakness was discovered in Mutt and NeoMutt's TLS handshake handling
22
23 Background
24 ==========
25
26 Mutt is a small but very powerful text-based mail client.
27
28 NeoMutt is a command line mail reader (or MUA). It’s a fork of Mutt
29 with added features.
30
31 Affected packages
32 =================
33
34 -------------------------------------------------------------------
35 Package / Vulnerable / Unaffected
36 -------------------------------------------------------------------
37 1 mail-client/mutt < 2.0.2 >= 2.0.2
38 2 mail-client/neomutt < 20201120 >= 20201120
39 -------------------------------------------------------------------
40 2 affected packages
41
42 Description
43 ===========
44
45 A weakness in TLS handshake handling was found which may allow
46 information disclosure.
47
48 Impact
49 ======
50
51 A remote attacker may be able to cause information disclosure.
52
53 Workaround
54 ==========
55
56 There is no known workaround at this time.
57
58 Resolution
59 ==========
60
61 All Mutt users should upgrade to the latest version:
62
63 # emerge --sync
64 # emerge --ask --oneshot --verbose ">=mail-client/mutt-2.0.2"
65
66 All NeoMutt users should upgrade to the latest version:
67
68 # emerge --sync
69 # emerge --ask --oneshot --verbose ">=mail-client/neomutt-20201120"
70
71 References
72 ==========
73
74 [ 1 ] CVE-2020-28896
75 https://nvd.nist.gov/vuln/detail/CVE-2020-28896
76
77 Availability
78 ============
79
80 This GLSA and any updates to it are available for viewing at
81 the Gentoo Security Website:
82
83 https://security.gentoo.org/glsa/202101-32
84
85 Concerns?
86 =========
87
88 Security is a primary focus of Gentoo Linux and ensuring the
89 confidentiality and security of our users' machines is of utmost
90 importance to us. Any security concerns should be addressed to
91 security@g.o or alternatively, you may file a bug at
92 https://bugs.gentoo.org.
93
94 License
95 =======
96
97 Copyright 2021 Gentoo Foundation, Inc; referenced text
98 belongs to its owner(s).
99
100 The contents of this document are licensed under the
101 Creative Commons - Attribution / Share Alike license.
102
103 https://creativecommons.org/licenses/by-sa/2.5

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