Gentoo Archives: gentoo-announce

From: Sean Amoss <ackle@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201204-02 ] InspIRCd: Arbitrary code execution
Date: Tue, 10 Apr 2012 11:31:49
Message-Id: 4F841805.8090901@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 201204-02
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 http://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: High
8 Title: InspIRCd: Arbitrary code execution
9 Date: April 10, 2012
10 Bugs: #409159
11 ID: 201204-02
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A heap-based buffer overflow in InspIRCd may allow execution of
19 arbitrary code.
20
21 Background
22 ==========
23
24 InspIRCd (Inspire IRCd) is a modular C++ IRC daemon
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-irc/inspircd < 2.0.5-r1 >= 2.0.5-r1
33
34 Description
35 ===========
36
37 A vulnerability in InspIRCd allows DNS compression features to control
38 the number of overflowed bytes sent to the heap-based buffer "res[]" in
39 dns.cpp.
40
41 Impact
42 ======
43
44 A remote attacker could send specially crafted DNS responses, possibly
45 resulting in execution of arbitrary code with the privileges of the
46 process or a Denial of Service condition.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All InspIRCd users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=net-irc/inspircd-2.0.5-r1"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2012-1836
65 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1836
66
67 Availability
68 ============
69
70 This GLSA and any updates to it are available for viewing at
71 the Gentoo Security Website:
72
73 http://security.gentoo.org/glsa/glsa-201204-02.xml
74
75 Concerns?
76 =========
77
78 Security is a primary focus of Gentoo Linux and ensuring the
79 confidentiality and security of our users' machines is of utmost
80 importance to us. Any security concerns should be addressed to
81 security@g.o or alternatively, you may file a bug at
82 https://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2012 Gentoo Foundation, Inc; referenced text
88 belongs to its owner(s).
89
90 The contents of this document are licensed under the
91 Creative Commons - Attribution / Share Alike license.
92
93 http://creativecommons.org/licenses/by-sa/2.5

Attachments

File name MIME type
signature.asc application/pgp-signature