Gentoo Archives: gentoo-announce

From: Aaron Bauman <bman@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202006-12 ] GNU Mailutils: Privilege escalation
Date: Sat, 13 Jun 2020 02:24:17
Message-Id: 20200613015219.GO17996@bubba
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 202006-12
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 https://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: High
8 Title: GNU Mailutils: Privilege escalation
9 Date: June 13, 2020
10 Bugs: #700806
11 ID: 202006-12
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A vulnerability has been found in GNU Mailutils allowing privilege
19 escalation.
20
21 Background
22 ==========
23
24 The GNU Mailutils are a collection of mail-related utilities, including
25 an IMAP4 server (imap4d).
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 net-mail/mailutils < 3.8 >= 3.8
34
35 Description
36 ===========
37
38 GNU Mailutils runs maidag by default with setuid root permissions.
39
40 Impact
41 ======
42
43 An attacker can use this to write to arbitrary files as root.
44
45 Workaround
46 ==========
47
48 There is no known workaround at this time.
49
50 Resolution
51 ==========
52
53 All GNU Mailutils users should upgrade to the latest version:
54
55 # emerge --sync
56 # emerge --ask --oneshot --verbose ">=net-mail/mailutils-3.8"
57
58 References
59 ==========
60
61 [ 1 ] CVE-2019-18862
62 https://nvd.nist.gov/vuln/detail/CVE-2019-18862
63
64 Availability
65 ============
66
67 This GLSA and any updates to it are available for viewing at
68 the Gentoo Security Website:
69
70 https://security.gentoo.org/glsa/202006-12
71
72 Concerns?
73 =========
74
75 Security is a primary focus of Gentoo Linux and ensuring the
76 confidentiality and security of our users' machines is of utmost
77 importance to us. Any security concerns should be addressed to
78 security@g.o or alternatively, you may file a bug at
79 https://bugs.gentoo.org.
80
81 License
82 =======
83
84 Copyright 2020 Gentoo Foundation, Inc; referenced text
85 belongs to its owner(s).
86
87 The contents of this document are licensed under the
88 Creative Commons - Attribution / Share Alike license.
89
90 https://creativecommons.org/licenses/by-sa/2.5

Attachments

File name MIME type
signature.asc application/pgp-signature