Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202008-14 ] Wireshark: Denial of service
Date: Wed, 26 Aug 2020 22:47:26
Message-Id: 94E6C4DF-5483-450F-BFC2-4D60C4F84E28@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202008-14
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Wireshark: Denial of service
9 Date: August 26, 2020
10 Bugs: #736914
11 ID: 202008-14
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14
15 Synopsis
16 ========
17
18 A vulnerability in Wireshark could lead to a Denial of Service
19 condition.
20
21 Background
22 ==========
23
24 Wireshark is a network protocol analyzer formerly known as ethereal.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-analyzer/wireshark < 3.2.6 >= 3.2.6
33
34 Description
35 ===========
36
37 A double free error was discovered in Wireshark's Kafka dissector.
38
39 Impact
40 ======
41
42 A remote attacker could exploit these vulnerabilities by sending a
43 malformed packet or enticing a user to read a malformed packet trace
44 file, causing a Denial of Service.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Wireshark users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-3.2.6"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2020-17498
63 https://nvd.nist.gov/vuln/detail/CVE-2020-17498
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/202008-14
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 2020 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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