Gentoo Archives: gentoo-announce

From: Robert Buchholz <rbu@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200712-19 ] Syslog-ng: Denial of Service
Date: Sat, 29 Dec 2007 16:16:07
Message-Id: 200712291659.52798.rbu@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200712-19
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Syslog-ng: Denial of Service
9 Date: December 29, 2007
10 Bugs: #202718
11 ID: 200712-19
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14
15 Synopsis
16 ========
17
18 A Denial of Service vulnerability has been discovered in Syslog-ng.
19
20 Background
21 ==========
22
23 Syslog-ng is a flexible and scalable system logger.
24
25 Affected packages
26 =================
27
28 -------------------------------------------------------------------
29 Package / Vulnerable / Unaffected
30 -------------------------------------------------------------------
31 1 app-admin/syslog-ng < 2.0.6 >= 2.0.6
32
33 Description
34 ===========
35
36 Oriol Carreras reported a NULL pointer dereference in the
37 log_msg_parse() function when processing timestamps without a
38 terminating whitespace character.
39
40 Impact
41 ======
42
43 A remote attacker could send a specially crafted event to a vulnerable
44 Syslog-ng server, resulting in a crash.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All Syslog-ng users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=app-admin/syslog-ng-2.0.6"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2007-6437
63 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6437
64
65 Availability
66 ============
67
68 This GLSA and any updates to it are available for viewing at
69 the Gentoo Security Website:
70
71 http://security.gentoo.org/glsa/glsa-200712-19.xml
72
73 Concerns?
74 =========
75
76 Security is a primary focus of Gentoo Linux and ensuring the
77 confidentiality and security of our users machines is of utmost
78 importance to us. Any security concerns should be addressed to
79 security@g.o or alternatively, you may file a bug at
80 http://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2007 Gentoo Foundation, Inc; referenced text
86 belongs to its owner(s).
87
88 The contents of this document are licensed under the
89 Creative Commons - Attribution / Share Alike license.
90
91 http://creativecommons.org/licenses/by-sa/2.5

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