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 200707-08 ] NVClock: Insecure file usage
Date: Tue, 24 Jul 2007 23:05:53
Message-Id: 20070724224812.GH15968@falco.falcal.net
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2 Gentoo Linux Security Advisory GLSA 200707-08
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: NVClock: Insecure file usage
9 Date: July 24, 2007
10 Bugs: #184071
11 ID: 200707-08
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14
15 Synopsis
16 ========
17
18 A vulnerability has been discovered in NVClock, allowing for the
19 execution of arbitrary code.
20
21 Background
22 ==========
23
24 NVClock is an utility for changing NVidia graphic chipsets internal
25 frequency.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 media-video/nvclock < 0.7-r2 >= 0.7-r2
34
35 Description
36 ===========
37
38 Tavis Ormandy of the Gentoo Linux Security Team discovered that NVClock
39 makes usage of an insecure temporary file in the /tmp directory.
40
41 Impact
42 ======
43
44 A local attacker could create a specially crafted temporary file in
45 /tmp to execute arbitrary code with the privileges of the user running
46 NVCLock.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All NVClock users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=media-video/nvclock-0.7-r2"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2007-3531
65 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3531
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-200707-08.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 http://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2007 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