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 200909-17 ] ZNC: Directory traversal
Date: Sun, 13 Sep 2009 19:27:00
Message-Id: 4AAD4570.3090203@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 200909-17
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 http://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: ZNC: Directory traversal
9 Date: September 13, 2009
10 Bugs: #278684
11 ID: 200909-17
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A directory traversal was found in ZNC, allowing for overwriting of
19 arbitrary files.
20
21 Background
22 ==========
23
24 ZNC is an advanced IRC bouncer.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-irc/znc < 0.074 >= 0.074
33
34 Description
35 ===========
36
37 The vendor reported a directory traversal vulnerability when processing
38 DCC SEND requests.
39
40 Impact
41 ======
42
43 A remote, authenticated user could send a specially crafted DCC SEND
44 request to overwrite arbitrary files with the privileges of the user
45 running ZNC, and possibly cause the execution of arbitrary code e.g. by
46 uploading a malicious ZNC module.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All ZNC users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose =net-irc/znc-0.074
60
61 References
62 ==========
63
64 [ 1 ] CVE-2009-2658
65 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2658
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-200909-17.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 2009 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