Gentoo Archives: gentoo-announce

From: Thierry Carrez <koon@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200511-11 ] linux-ftpd-ssl: Remote buffer overflow
Date: Sun, 13 Nov 2005 18:06:04
Message-Id: 43777C70.3080103@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200511-11
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4 http://security.gentoo.org/
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6
7 Severity: High
8 Title: linux-ftpd-ssl: Remote buffer overflow
9 Date: November 13, 2005
10 Bugs: #111573
11 ID: 200511-11
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14
15 Synopsis
16 ========
17
18 A buffer overflow vulnerability has been found, allowing a remote
19 attacker to execute arbitrary code with escalated privileges on the
20 local system.
21
22 Background
23 ==========
24
25 linux-ftpd-ssl is the netkit FTP server with encryption support.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 net-ftp/ftpd < 0.17-r3 >= 0.17-r3
34
35 Description
36 ===========
37
38 A buffer overflow vulnerability has been found in the linux-ftpd-ssl
39 package. A command that generates an excessively long response from the
40 server may overrun a stack buffer.
41
42 Impact
43 ======
44
45 An attacker that has permission to create directories that are
46 accessible via the FTP server could exploit this vulnerability.
47 Successful exploitation would execute arbitrary code on the local
48 machine with root privileges.
49
50 Workaround
51 ==========
52
53 There is no known workaround at this time.
54
55 Resolution
56 ==========
57
58 All ftpd users should upgrade to the latest version:
59
60 # emerge --sync
61 # emerge --ask --oneshot --verbose ">=net-ftp/ftpd-0.17-r3"
62
63 References
64 ==========
65
66 [ 1 ] CVE-2005-3524
67 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3524
68
69 Availability
70 ============
71
72 This GLSA and any updates to it are available for viewing at
73 the Gentoo Security Website:
74
75 http://security.gentoo.org/glsa/glsa-200511-11.xml
76
77 Concerns?
78 =========
79
80 Security is a primary focus of Gentoo Linux and ensuring the
81 confidentiality and security of our users machines is of utmost
82 importance to us. Any security concerns should be addressed to
83 security@g.o or alternatively, you may file a bug at
84 http://bugs.gentoo.org.
85
86 License
87 =======
88
89 Copyright 2005 Gentoo Foundation, Inc; referenced text
90 belongs to its owner(s).
91
92 The contents of this document are licensed under the
93 Creative Commons - Attribution / Share Alike license.
94
95 http://creativecommons.org/licenses/by-sa/2.0

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