Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202007-50 ] GLib Networking: Improper certificate validation
Date: Mon, 27 Jul 2020 01:37:17
Message-Id: 3D31969E-A9A6-4328-8417-BBCA548A6C84@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202007-50
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: GLib Networking: Improper certificate validation
9 Date: July 27, 2020
10 Bugs: #725880
11 ID: 202007-50
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14
15 Synopsis
16 ========
17
18 GLib Networking was not properly verifying TLS certificates in all
19 circumstances, possibly allowing an integrity/confidentiality
20 compromise.
21
22 Background
23 ==========
24
25 Network-related giomodules for glib
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 net-libs/glib-networking
34 < 2.62.4 >= 2.62.4
35
36 Description
37 ===========
38
39 GTlsClientConnection skips hostname verification of the server's TLS
40 certificate if the application fails to specify the expected server
41 identity.
42
43 Impact
44 ======
45
46 There may be a breach of integrity or confidentiality in connections
47 made using GLib Networking.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All GLib Networking users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot -v ">=net-libs/glib-networking-2.62.4"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2020-13645
66 https://nvd.nist.gov/vuln/detail/CVE-2020-13645
67
68 Availability
69 ============
70
71 This GLSA and any updates to it are available for viewing at
72 the Gentoo Security Website:
73
74 https://security.gentoo.org/glsa/202007-50
75
76 Concerns?
77 =========
78
79 Security is a primary focus of Gentoo Linux and ensuring the
80 confidentiality and security of our users' machines is of utmost
81 importance to us. Any security concerns should be addressed to
82 security@g.o or alternatively, you may file a bug at
83 https://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2020 Gentoo Foundation, Inc; referenced text
89 belongs to its owner(s).
90
91 The contents of this document are licensed under the
92 Creative Commons - Attribution / Share Alike license.
93
94 https://creativecommons.org/licenses/by-sa/2.5

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