Gentoo Archives: gentoo-announce

From: John Helmert III <ajak@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202107-01 ] corosync: Denial of service
Date: Mon, 05 Jul 2021 02:54:27
Message-Id: YODlD7UJSPFpFlVP@sol.nexus.lan
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 202107-01
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 https://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Low
8 Title: corosync: Denial of service
9 Date: July 03, 2021
10 Bugs: #658354
11 ID: 202107-01
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A vulnerability in corosync could lead to a Denial of Service
19 condition.
20
21 Background
22 ==========
23
24 The Corosync Cluster Engine is a Group Communication System with
25 additional features for implementing high availability within
26 applications.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 sys-cluster/corosync < 3.0.4 >= 3.0.4
35
36 Description
37 ===========
38
39 It was discovered that corosync allowed an unauthenticated user to
40 cause a Denial of Service by application crash.
41
42 Impact
43 ======
44
45 A remote attacker could send a malicious crafted packet, possibly
46 resulting in a Denial of Service condition.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All corosync users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=sys-cluster/corosync-3.0.4"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2018-1084
65 https://nvd.nist.gov/vuln/detail/CVE-2018-1084
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/202107-01
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

Attachments

File name MIME type
signature.asc application/pgp-signature