Gentoo Archives: gentoo-announce

From: Raphael Marichez <falco@g.o>
To: gentoo-announce@g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200612-16 ] Links: Arbitrary Samba command execution
Date: Thu, 14 Dec 2006 14:23:20
Message-Id: 20061214135544.GA15198@falco.falcal.net
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2 Gentoo Linux Security Advisory GLSA 200612-16
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Links: Arbitrary Samba command execution
9 Date: December 14, 2006
10 Bugs: #157028
11 ID: 200612-16
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14
15 Synopsis
16 ========
17
18 Links does not properly validate "smb://" URLs, making it vulnerable to
19 the execution of arbitrary Samba commands.
20
21 Background
22 ==========
23
24 Links is a web browser running in both graphics and text modes.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 www-client/links < 2.1_pre26 >= 2.1_pre26
33
34 Description
35 ===========
36
37 Teemu Salmela discovered that Links does not properly validate "smb://"
38 URLs when it runs smbclient commands.
39
40 Impact
41 ======
42
43 A remote attacker could entice a user to browse to a specially crafted
44 "smb://" URL and execute arbitrary Samba commands, which would allow
45 the overwriting of arbitrary local files or the upload or the download
46 of arbitrary files. This vulnerability can be exploited only if
47 "smbclient" is installed on the victim's computer, which is provided by
48 the "samba" Gentoo package.
49
50 Workaround
51 ==========
52
53 There is no known workaround at this time.
54
55 Resolution
56 ==========
57
58 All Links users should upgrade to the latest version:
59
60 # emerge --sync
61 # emerge --ask --oneshot --verbose ">=www-client/links-2.1_pre26"
62
63 References
64 ==========
65
66 [ 1 ] CVE-2006-5925
67 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5925
68
69 Availability
70 ============
71
72 This GLSA and any updates to it are available for viewing at
73 the Gentoo Security Website:
74
75 http://security.gentoo.org/glsa/glsa-200612-16.xml
76
77 Concerns?
78 =========
79
80 Security is a primary focus of Gentoo Linux and ensuring the
81 confidentiality and security of our users machines is of utmost
82 importance to us. Any security concerns should be addressed to
83 security@g.o or alternatively, you may file a bug at
84 http://bugs.gentoo.org.
85
86 License
87 =======
88
89 Copyright 2006 Gentoo Foundation, Inc; referenced text
90 belongs to its owner(s).
91
92 The contents of this document are licensed under the
93 Creative Commons - Attribution / Share Alike license.
94
95 http://creativecommons.org/licenses/by-sa/2.5