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 200608-18 ] Net::Server: Format string vulnerability
Date: Thu, 10 Aug 2006 20:34:22
Message-Id: 200608102150.56237.jaervosz@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200608-18
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Net::Server: Format string vulnerability
9 Date: August 10, 2006
10 Bugs: #142386
11 ID: 200608-18
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14
15 Synopsis
16 ========
17
18 A format string vulnerability has been reported in Net::Server which
19 can be exploited to cause a Denial of Service.
20
21 Background
22 ==========
23
24 Net::Server is an extensible, generic Perl server engine. It is used by
25 several Perl applications like Postgrey.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 dev-perl/net-server < 0.88 >= 0.88
34
35 Description
36 ===========
37
38 The log function of Net::Server does not handle format string
39 specifiers properly before they are sent to syslog.
40
41 Impact
42 ======
43
44 By sending a specially crafted datastream to an application using
45 Net::Server, an attacker could cause a Denial of Service.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All Net::Server should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=dev-perl/net-server-0.88"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2005-1127
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1127
65
66 Availability
67 ============
68
69 This GLSA and any updates to it are available for viewing at
70 the Gentoo Security Website:
71
72 http://security.gentoo.org/glsa/glsa-200608-18.xml
73
74 Concerns?
75 =========
76
77 Security is a primary focus of Gentoo Linux and ensuring the
78 confidentiality and security of our users machines is of utmost
79 importance to us. Any security concerns should be addressed to
80 security@g.o or alternatively, you may file a bug at
81 http://bugs.gentoo.org.
82
83 License
84 =======
85
86 Copyright 2006 Gentoo Foundation, Inc; referenced text
87 belongs to its owner(s).
88
89 The contents of this document are licensed under the
90 Creative Commons - Attribution / Share Alike license.
91
92 http://creativecommons.org/licenses/by-sa/2.5