Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202007-49 ] Mozilla Network Security Service (NSS): Information disclosure
Date: Mon, 27 Jul 2020 01:29:24
Message-Id: A34814C7-C525-4023-8BDC-BCF46A4CAD80@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202007-49
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4 https://security.gentoo.org/
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6
7 Severity: Low
8 Title: Mozilla Network Security Service (NSS): Information
9 disclosure
10 Date: July 27, 2020
11 Bugs: #726842
12 ID: 202007-49
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15
16 Synopsis
17 ========
18
19 NSS has an information disclosure vulnerability when handling DSA keys.
20
21 Background
22 ==========
23
24 The Mozilla Network Security Service (NSS) is a library implementing
25 security features like SSL v.2/v.3, TLS, PKCS #5, PKCS #7, PKCS #11,
26 PKCS #12, S/MIME and X.509 certificates.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 dev-libs/nss < 3.52.1 >= 3.52.1
35
36 Description
37 ===========
38
39 NSS was found to not always perform constant-time operations when
40 working with DSA key material.
41
42 Impact
43 ======
44
45 An attacker may be able to obtain information about a DSA private key.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All NSS users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=dev-libs/nss-3.52.1"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2020-12399
64 https://nvd.nist.gov/vuln/detail/CVE-2020-12399
65
66 Availability
67 ============
68
69 This GLSA and any updates to it are available for viewing at
70 the Gentoo Security Website:
71
72 https://security.gentoo.org/glsa/202007-49
73
74 Concerns?
75 =========
76
77 Security is a primary focus of Gentoo Linux and ensuring the
78 confidentiality and security of our users' machines is of utmost
79 importance to us. Any security concerns should be addressed to
80 security@g.o or alternatively, you may file a bug at
81 https://bugs.gentoo.org.
82
83 License
84 =======
85
86 Copyright 2020 Gentoo Foundation, Inc; referenced text
87 belongs to its owner(s).
88
89 The contents of this document are licensed under the
90 Creative Commons - Attribution / Share Alike license.
91
92 https://creativecommons.org/licenses/by-sa/2.5

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