Gentoo Archives: gentoo-announce

From: Matthias Geerdsen <vorlon@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××.com, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200411-18 ] Apache 2.0: Denial of Service by memory consumption
Date: Wed, 10 Nov 2004 17:04:55
Message-Id: 419249B9.3090601@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200411-18
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Apache 2.0: Denial of Service by memory consumption
9 Date: November 10, 2004
10 Bugs: #70138
11 ID: 200411-18
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14
15 Synopsis
16 ========
17
18 A flaw in Apache 2.0 could allow a remote attacker to cause a Denial of
19 Service.
20
21 Background
22 ==========
23
24 The Apache HTTP Server is one of the most popular web servers on the
25 Internet.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 net-www/apache < 2.0.52-r1 >= 2.0.52-r1
34 < 2.0
35
36 Description
37 ===========
38
39 Chintan Trivedi discovered a vulnerability in Apache httpd 2.0 that is
40 caused by improper enforcing of the field length limit in the
41 header-parsing code.
42
43 Impact
44 ======
45
46 By sending a large amount of specially-crafted HTTP GET requests a
47 remote attacker could cause a Denial of Service of the targeted system.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All Apache 2.0 users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=net-www/apache-2.0.52-r1"
61
62 References
63 ==========
64
65 [ 1 ] CAN-2004-0942
66 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0942
67 [ 2 ] Security vulnerabilities in Apache httpd 2.0
68 http://www.apacheweek.com/features/security-20
69
70 Availability
71 ============
72
73 This GLSA and any updates to it are available for viewing at
74 the Gentoo Security Website:
75
76 http://security.gentoo.org/glsa/glsa-200411-18.xml
77
78 Concerns?
79 =========
80
81 Security is a primary focus of Gentoo Linux and ensuring the
82 confidentiality and security of our users machines is of utmost
83 importance to us. Any security concerns should be addressed to
84 security@g.o or alternatively, you may file a bug at
85 http://bugs.gentoo.org.
86
87 License
88 =======
89
90 Copyright 2004 Gentoo Foundation, Inc; referenced text
91 belongs to its owner(s).
92
93 The contents of this document are licensed under the
94 Creative Commons - Attribution / Share Alike license.
95
96 http://creativecommons.org/licenses/by-sa/2.0

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