Gentoo Archives: gentoo-announce

From: Sune Kloppenborg Jeppesen <jaervosz@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200510-05 ] Ruby: Security bypass vulnerability
Date: Thu, 06 Oct 2005 14:57:27
Message-Id: 200510061642.15100.jaervosz@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 200510-05
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Ruby: Security bypass vulnerability
9 Date: October 06, 2005
10 Bugs: #106996
11 ID: 200510-05
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14
15 Synopsis
16 ========
17
18 Ruby is vulnerable to a security bypass of the safe level mechanism.
19
20 Background
21 ==========
22
23 Ruby is an interpreted scripting language for quick and easy
24 object-oriented programming. Ruby supports the safe execution of
25 untrusted code using a safe level and taint flag mechanism.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 dev-lang/ruby < 1.8.3 >= 1.8.3
34
35 Description
36 ===========
37
38 Dr. Yutaka Oiwa discovered that Ruby fails to properly enforce safe
39 level protections.
40
41 Impact
42 ======
43
44 An attacker could exploit this vulnerability to execute arbitrary code
45 beyond the restrictions specified in each safe level.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All Ruby users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.8.3"
59
60 References
61 ==========
62
63 [ 1 ] CAN-2005-2337
64 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2337
65 [ 2 ] Ruby release announcement
66 http://www.ruby-lang.org/en/20051003.html
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-200510-05.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 http://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2005 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/2.0