Gentoo Archives: gentoo-announce

From: Sergey Popov <pinkbyte@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201311-11 ] CTorrent: User-assisted arbitrary code execution
Date: Wed, 20 Nov 2013 10:30:58
Message-Id: 528C8ED3.3080601@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201311-11
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: CTorrent: User-assisted arbitrary code execution
9 Date: November 20, 2013
10 Bugs: #266953
11 ID: 201311-11
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14
15 Synopsis
16 ========
17
18 A stack-based buffer overflow in CTorrent might allow a remote attacker
19 to execute arbitrary code or cause a Denial of Service condition.
20
21 Background
22 ==========
23
24 CTorrent is a BitTorrent client implemented in C++ to be lightweight
25 and quick.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 net-p2p/ctorrent < 3.3.2-r1 >= 3.3.2-r1
34
35 Description
36 ===========
37
38 CTorrent contains a stack-based buffer overflow in the
39 btFiles::BuildFromMI function in trunk/btfiles.cpp.
40
41 Impact
42 ======
43
44 A remote attacker could entice a user to open a specially crafted
45 torrent file using CTorrent, possibly resulting in execution of
46 arbitrary code with the privileges of the process or a Denial of
47 Service condition.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All CTorrent users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=net-p2p/ctorren-3.3.2-r1"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2009-1759
66 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-1759
67
68 Availability
69 ============
70
71 This GLSA and any updates to it are available for viewing at
72 the Gentoo Security Website:
73
74 http://security.gentoo.org/glsa/glsa-201311-11.xml
75
76 Concerns?
77 =========
78
79 Security is a primary focus of Gentoo Linux and ensuring the
80 confidentiality and security of our users' machines is of utmost
81 importance to us. Any security concerns should be addressed to
82 security@g.o or alternatively, you may file a bug at
83 https://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2013 Gentoo Foundation, Inc; referenced text
89 belongs to its owner(s).
90
91 The contents of this document are licensed under the
92 Creative Commons - Attribution / Share Alike license.
93
94 http://creativecommons.org/licenses/by-sa/2.5

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