Gentoo Archives: gentoo-announce

From: Aaron Bauman <bman@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201904-22 ] OpenDKIM: Root privilege escalation
Date: Mon, 22 Apr 2019 23:45:01
Message-Id: 20190422233505.GE32445@monkey
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 201904-22
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 https://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: OpenDKIM: Root privilege escalation
9 Date: April 22, 2019
10 Bugs: #629914
11 ID: 201904-22
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A vulnerability was discovered in Gentoo's ebuild for OpenDKIM which
19 could lead to root privilege escalation.
20
21 Background
22 ==========
23
24 A community effort to develop and maintain a C library for producing
25 DKIM-aware applications and an open source milter for providing DKIM
26 service.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 mail-filter/opendkim < 2.10.3-r8 >= 2.10.3-r8
35
36 Description
37 ===========
38
39 It was discovered that Gentoo’s OpenDKIM ebuild does not properly set
40 permissions or place the pid file in a safe directory.
41
42 Impact
43 ======
44
45 A local attacker could escalate privileges.
46
47 Workaround
48 ==========
49
50 Users should ensure the proper permissions are set as discussed in the
51 referenced bugs.
52
53 Resolution
54 ==========
55
56 All OpenDKIM users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=mail-filter/opendkim-2.10.3-r8"
60
61 References
62 ==========
63
64
65 Availability
66 ============
67
68 This GLSA and any updates to it are available for viewing at
69 the Gentoo Security Website:
70
71 https://security.gentoo.org/glsa/201904-22
72
73 Concerns?
74 =========
75
76 Security is a primary focus of Gentoo Linux and ensuring the
77 confidentiality and security of our users' machines is of utmost
78 importance to us. Any security concerns should be addressed to
79 security@g.o or alternatively, you may file a bug at
80 https://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2019 Gentoo Foundation, Inc; referenced text
86 belongs to its owner(s).
87
88 The contents of this document are licensed under the
89 Creative Commons - Attribution / Share Alike license.
90
91 https://creativecommons.org/licenses/by-sa/2.5

Attachments

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