Gentoo Archives: gentoo-announce

From: Aaron Bauman <bman@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202101-14 ] Mozilla Thunderbird: Remote code execution
Date: Fri, 22 Jan 2021 16:38:09
Message-Id: YAr5zRImiSRe+saI@samurai
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2 Gentoo Linux Security Advisory GLSA 202101-14
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Mozilla Thunderbird: Remote code execution
9 Date: January 22, 2021
10 Bugs: #765088
11 ID: 202101-14
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14
15 Synopsis
16 ========
17
18 Multiple vulnerabilities have been found in Mozilla Thunderbird, the
19 worst of which could result in the arbitrary execution of code.
20
21 Background
22 ==========
23
24 Mozilla Thunderbird is a popular open-source email client from the
25 Mozilla project.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 mail-client/thunderbird < 78.6.1 >= 78.6.1
34 2 mail-client/thunderbird-bin
35 < 78.6.1 >= 78.6.1
36 -------------------------------------------------------------------
37 2 affected packages
38
39 Description
40 ===========
41
42 A use-after-free bug was discovered in Mozilla Thunderbird handling of
43 SCTP.
44
45 Impact
46 ======
47
48 A remote attacker could possibly execute arbitrary code with the
49 privileges of the process or cause a Denial of Service condition.
50
51 Workaround
52 ==========
53
54 There is no known workaround at this time.
55
56 Resolution
57 ==========
58
59 All Mozilla Thunderbird users should upgrade to the latest version:
60
61 # emerge --sync
62 # emerge --ask --oneshot --verbose ">=mail-client/thunderbird-78.6.1"
63
64 All Mozilla Thunderbird binary users should upgrade to the latest
65 version:
66
67 # emerge --sync
68 # emerge --ask --oneshot -v ">=mail-client/thunderbird-bin-78.6.1"
69
70 References
71 ==========
72
73 [ 1 ] CVE-2020-16044
74 https://nvd.nist.gov/vuln/detail/CVE-2020-16044
75 [ 2 ] MFSA-2021-02
76 https://www.mozilla.org/en-US/security/advisories/mfsa2021-02/
77
78 Availability
79 ============
80
81 This GLSA and any updates to it are available for viewing at
82 the Gentoo Security Website:
83
84 https://security.gentoo.org/glsa/202101-14
85
86 Concerns?
87 =========
88
89 Security is a primary focus of Gentoo Linux and ensuring the
90 confidentiality and security of our users' machines is of utmost
91 importance to us. Any security concerns should be addressed to
92 security@g.o or alternatively, you may file a bug at
93 https://bugs.gentoo.org.
94
95 License
96 =======
97
98 Copyright 2021 Gentoo Foundation, Inc; referenced text
99 belongs to its owner(s).
100
101 The contents of this document are licensed under the
102 Creative Commons - Attribution / Share Alike license.
103
104 https://creativecommons.org/licenses/by-sa/2.5

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