Gentoo Archives: gentoo-announce

From: Sune Kloppenborg Jeppesen <jaervosz@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200603-21 ] Sendmail: Race condition in the handling of asynchronous signals
Date: Wed, 22 Mar 2006 20:12:05
Message-Id: 200603222052.35720.jaervosz@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200603-21
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4 http://security.gentoo.org/
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6
7 Severity: High
8 Title: Sendmail: Race condition in the handling of asynchronous
9 signals
10 Date: March 22, 2006
11 Bugs: #125623
12 ID: 200603-21
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15
16 Synopsis
17 ========
18
19 Sendmail is vulnerable to a race condition which could lead to the
20 execution of arbitrary code with sendmail privileges.
21
22 Background
23 ==========
24
25 Sendmail is a popular mail transfer agent (MTA).
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 mail-mta/sendmail < 8.13.6 >= 8.13.6
34
35 Description
36 ===========
37
38 ISS discovered that Sendmail is vulnerable to a race condition in the
39 handling of asynchronous signals.
40
41 Impact
42 ======
43
44 An attacker could exploit this via certain crafted timing conditions.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Sendmail users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=mail-mta/sendmail-8.13.6"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2006-0058
63 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0058
64 [ 2 ] Sendmail Inc. advisory
65 http://www.sendmail.com/company/advisory/index.shtml
66
67 Availability
68 ============
69
70 This GLSA and any updates to it are available for viewing at
71 the Gentoo Security Website:
72
73 http://security.gentoo.org/glsa/glsa-200603-21.xml
74
75 Concerns?
76 =========
77
78 Security is a primary focus of Gentoo Linux and ensuring the
79 confidentiality and security of our users machines is of utmost
80 importance to us. Any security concerns should be addressed to
81 security@g.o or alternatively, you may file a bug at
82 http://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2006 Gentoo Foundation, Inc; referenced text
88 belongs to its owner(s).
89
90 The contents of this document are licensed under the
91 Creative Commons - Attribution / Share Alike license.
92
93 http://creativecommons.org/licenses/by-sa/2.0