Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202105-12 ] OpenSMTPD: Multiple vulnerabilities
Date: Wed, 26 May 2021 08:50:14
Message-Id: 9a4ebb97-10c1-27c8-1668-f540c5dfc573@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202105-12
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4 https://security.gentoo.org/
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6
7 Severity: Low
8 Title: OpenSMTPD: Multiple vulnerabilities
9 Date: May 26, 2021
10 Bugs: #761945
11 ID: 202105-12
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14
15 Synopsis
16 ========
17
18 Multiple vulnerabilities have been found in OpenSMTPD, the worst of
19 which could result in a Denial of Service condition.
20
21 Background
22 ==========
23
24 OpenSMTPD is a lightweight but featured SMTP daemon from OpenBSD.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 mail-mta/opensmtpd < 6.8.0_p2 >= 6.8.0_p2
33
34 Description
35 ===========
36
37 Multiple vulnerabilities have been discovered in OpenSMTPD. Please
38 review the CVE identifiers referenced below for details.
39
40 Impact
41 ======
42
43 A remote attacker, by connecting to the SMTP listener daemon, could
44 possibly cause a Denial of Service condition.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All OpenSMTPD users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=mail-mta/opensmtpd-6.8.0_p2"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2020-35679
63 https://nvd.nist.gov/vuln/detail/CVE-2020-35679
64 [ 2 ] CVE-2020-35680
65 https://nvd.nist.gov/vuln/detail/CVE-2020-35680
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/202105-12
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 2021 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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