Gentoo Archives: gentoo-announce

From: Sam James <sam@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202101-06 ] Ark: Symlink vulnerability
Date: Mon, 11 Jan 2021 09:17:26
Message-Id: 8D59A197-C068-49BE-9D42-0A60F5B08FEE@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202101-06
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: Ark: Symlink vulnerability
9 Date: January 11, 2021
10 Bugs: #743959
11 ID: 202101-06
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14
15 Synopsis
16 ========
17
18 Ark was found to allow arbitrary file overwrite, possibly allowing
19 arbitrary code execution.
20
21 Background
22 ==========
23
24 Ark is a graphical file compression/decompression utility with support
25 for multiple formats.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 kde-apps/ark < 20.04.3-r2 >= 20.04.3-r2
34
35 Description
36 ===========
37
38 KDE Ark did not fully verify symlinks contained within tar archives.
39
40 Impact
41 ======
42
43 A remote attacker could entice a user to open a specially crafted tar
44 archive using KDE Ark, possibly resulting in execution of arbitrary
45 code with the privileges of the process or a Denial of Service
46 condition.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All KDE Ark users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=kde-apps/ark-20.04.3-r2"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2020-24654
65 https://nvd.nist.gov/vuln/detail/CVE-2020-24654
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 https://security.gentoo.org/glsa/202101-06
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 https://bugs.gentoo.org.
83
84 License
85 =======
86
87 Copyright 2021 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 https://creativecommons.org/licenses/by-sa/2.5

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