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 200506-24 ] Heimdal: Buffer overflow vulnerabilities
Date: Wed, 29 Jun 2005 12:04:14
Message-Id: 200506291332.46926.jaervosz@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200506-24
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4 http://security.gentoo.org/
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6
7 Severity: High
8 Title: Heimdal: Buffer overflow vulnerabilities
9 Date: June 29, 2005
10 Bugs: #96727
11 ID: 200506-24
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14
15 Synopsis
16 ========
17
18 Multiple buffer overflow vulnerabilities in Heimdal's telnetd server
19 could allow the execution of arbitrary code.
20
21 Background
22 ==========
23
24 Heimdal is a free implementation of Kerberos 5 that includes a telnetd
25 server.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 app-crypt/heimdal < 0.6.5 >= 0.6.5
34
35 Description
36 ===========
37
38 It has been reported that the "getterminaltype" function of Heimdal's
39 telnetd server is vulnerable to buffer overflows.
40
41 Impact
42 ======
43
44 An attacker could exploit this vulnerability to execute arbitrary code
45 with the permission of the telnetd server program.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All users should upgrade to the latest available version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.6.5"
59
60 References
61 ==========
62
63 [ 1 ] CAN-2005-2040
64 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2040
65 [ 2 ] Heimdal Advisory 2005-06-20
66 http://www.pdc.kth.se/heimdal/advisory/2005-06-20/
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 http://security.gentoo.org/glsa/glsa-200506-24.xml
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 http://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2005 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 http://creativecommons.org/licenses/by-sa/2.0