1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
2 |
Gentoo Linux Security Advisory GLSA 202101-14 |
3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
4 |
https://security.gentoo.org/ |
5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
6 |
|
7 |
Severity: Normal |
8 |
Title: Mozilla Thunderbird: Remote code execution |
9 |
Date: January 22, 2021 |
10 |
Bugs: #765088 |
11 |
ID: 202101-14 |
12 |
|
13 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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 |