Gentoo Archives: gentoo-announce

From: Matthias Geerdsen <vorlon@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200703-12 ] SILC Server: Denial of Service
Date: Wed, 14 Mar 2007 12:41:51
Message-Id: 45F7E97F.3070602@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200703-12
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4 http://security.gentoo.org/
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7 Severity: Normal
8 Title: SILC Server: Denial of Service
9 Date: March 14, 2007
10 Bugs: #169599
11 ID: 200703-12
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14
15 Synopsis
16 ========
17
18 SILC Server is affected by a Denial of Service vulnerability.
19
20 Background
21 ==========
22
23 SILC Server is a server for the Secure Internet Live Conferencing
24 (SILC) protocol.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-im/silc-server < 1.0.2-r1 >= 1.0.2-r1
33
34 Description
35 ===========
36
37 Frank Benkstein discovered a possible NULL pointer dereference in
38 apps/silcd/command.c if a new channel is created without specifying a
39 valid hmac or cipher algorithm name.
40
41 Impact
42 ======
43
44 A remote attacker could cause the server to crash, resulting in a
45 Denial of Service.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All SILC Server users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=net-im/silc-server-1.0.2-r1"
59
60 Availability
61 ============
62
63 This GLSA and any updates to it are available for viewing at
64 the Gentoo Security Website:
65
66 http://security.gentoo.org/glsa/glsa-200703-12.xml
67
68 Concerns?
69 =========
70
71 Security is a primary focus of Gentoo Linux and ensuring the
72 confidentiality and security of our users machines is of utmost
73 importance to us. Any security concerns should be addressed to
74 security@g.o or alternatively, you may file a bug at
75 http://bugs.gentoo.org.
76
77 License
78 =======
79
80 Copyright 2007 Gentoo Foundation, Inc; referenced text
81 belongs to its owner(s).
82
83 The contents of this document are licensed under the
84 Creative Commons - Attribution / Share Alike license.
85
86 http://creativecommons.org/licenses/by-sa/2.5

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