Gentoo Archives: gentoo-announce

From: Tobias Heinlein <keytoaster@g.o>
To: gentoo-announce@g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200808-05 ] ISC DHCP: Denial of Service
Date: Wed, 06 Aug 2008 20:19:48
Message-Id: 489A06A3.4050703@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200808-05
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: ISC DHCP: Denial of Service
9 Date: August 06, 2008
10 Bugs: #227135
11 ID: 200808-05
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14
15 Synopsis
16 ========
17
18 A Denial of Service vulnerability was discovered in ISC DHCP.
19
20 Background
21 ==========
22
23 ISC DHCP is ISC's reference implementation of all aspects of the
24 Dynamic Host Configuration Protocol.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-misc/dhcp < 3.1.1 >= 3.1.1
33
34 Description
35 ===========
36
37 A buffer overflow error was found in ISC DHCP server, that can only be
38 exploited under unusual server configurations where the DHCP server is
39 configured to provide clients with a large set of DHCP options.
40
41 Impact
42 ======
43
44 A remote attacker could exploit this vulnerability to cause a Denial of
45 Service.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All ISC DHCP users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=net-misc/dhcp-3.1.1"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2007-0062
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0062
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-200808-05.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 2008 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

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