Gentoo Archives: gentoo-announce

From: Kristian Fiskerstrand <k_f@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201612-31 ] exFAT: Multiple vulnerabilities
Date: Mon, 12 Dec 2016 00:19:23
Message-Id: 508ad5ce-6556-c4e9-14bf-bffd6f5e837c@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201612-31
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: exFAT: Multiple vulnerabilities
9 Date: December 12, 2016
10 Bugs: #563936
11 ID: 201612-31
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14
15 Synopsis
16 ========
17
18 Two vulnerabilities have been found in exFAT allowing remote attackers
19 to execute arbitrary code or cause Denial of Service.
20
21 Background
22 ==========
23
24 A full-featured exFAT file system implementation for Unix-like systems.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 sys-fs/exfat-utils < 1.2.1 >= 1.2.1
33
34 Description
35 ===========
36
37 Two vulnerabilities were found in exFAT. A malformed input can cause a
38 write heap overflow or cause an endless loop.
39
40 Impact
41 ======
42
43 Remote attackers could execute arbitrary code or cause Denial of
44 Service.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All exFAT users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=sys-fs/exfat-utils-1.2.1"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2015-8026
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8026
64 [ 2 ] Heap overflow and endless loop in exfatfsck / exfat-utils
65
66 http://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.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 https://security.gentoo.org/glsa/201612-31
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 https://bugs.gentoo.org.
84
85 License
86 =======
87
88 Copyright 2016 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/2.5

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