Gentoo Archives: gentoo-announce

From: Mikle Kolyada <zlogene@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201402-10 ] PulseAudio: Insecure temporary file usage
Date: Fri, 07 Feb 2014 21:03:34
Message-Id: 52F54AEF.2000702@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201402-10
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: PulseAudio: Insecure temporary file usage
9 Date: February 07, 2014
10 Bugs: #313329
11 ID: 201402-10
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14
15 Synopsis
16 ========
17
18 An insecure temporary file usage has been reported in PulseAudio,
19 possibly allowing symlink attacks.
20
21 Background
22 ==========
23
24 PulseAudio is a sound system for POSIX OSes.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-sound/pulseaudio < 0.9.22 >= 0.9.22
33
34 Description
35 ===========
36
37 The pa_make_secure_dir function in core-util.c does not handle
38 temporary files securely.
39
40 Impact
41 ======
42
43 A local attacker could perform symlink attacks to overwrite arbitrary
44 files with the privileges of the user running the application.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All PulseAudio users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=media-sound/pulseaudio-0.9.22"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2009-1299
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-1299
64
65 Availability
66 ============
67
68 This GLSA and any updates to it are available for viewing at
69 the Gentoo Security Website:
70
71 http://security.gentoo.org/glsa/glsa-201402-10.xml
72
73 Concerns?
74 =========
75
76 Security is a primary focus of Gentoo Linux and ensuring the
77 confidentiality and security of our users' machines is of utmost
78 importance to us. Any security concerns should be addressed to
79 security@g.o or alternatively, you may file a bug at
80 https://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2014 Gentoo Foundation, Inc; referenced text
86 belongs to its owner(s).
87
88 The contents of this document are licensed under the
89 Creative Commons - Attribution / Share Alike license.
90
91 http://creativecommons.org/licenses/by-sa/2.5

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