Gentoo Archives: gentoo-announce

From: John Helmert III <ajak@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202107-47 ] libpano13: Format string vulnerability
Date: Tue, 20 Jul 2021 04:26:59
Message-Id: YPZO6Bit1KWacx/Y@sol.nexus.lan
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2 Gentoo Linux Security Advisory GLSA 202107-47
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: libpano13: Format string vulnerability
9 Date: July 20, 2021
10 Bugs: #780486
11 ID: 202107-47
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14
15 Synopsis
16 ========
17
18 A format string vulnerability has been found in libpano13, potentially
19 resulting in arbitrary code execution.
20
21 Background
22 ==========
23
24 libpano13 is Helmut Dersch's panorama toolbox library.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 media-libs/libpano13 < 2.9.20 >= 2.9.20
33
34 Description
35 ===========
36
37 A format string issue exists within panoFileOutputNamesCreate() where
38 unvalidated input is passed directly into the formatter.
39
40 Impact
41 ======
42
43 A remote attacker could entice a user to open a specially crafted file
44 using libpano13, possibly resulting in execution of arbitrary code with
45 the privileges of the process or a Denial of Service condition.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All libpano13 users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=media-libs/libpano13-2.9.20"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2021-20307
64 https://nvd.nist.gov/vuln/detail/CVE-2021-20307
65
66 Availability
67 ============
68
69 This GLSA and any updates to it are available for viewing at
70 the Gentoo Security Website:
71
72 https://security.gentoo.org/glsa/202107-47
73
74 Concerns?
75 =========
76
77 Security is a primary focus of Gentoo Linux and ensuring the
78 confidentiality and security of our users' machines is of utmost
79 importance to us. Any security concerns should be addressed to
80 security@g.o or alternatively, you may file a bug at
81 https://bugs.gentoo.org.
82
83 License
84 =======
85
86 Copyright 2021 Gentoo Foundation, Inc; referenced text
87 belongs to its owner(s).
88
89 The contents of this document are licensed under the
90 Creative Commons - Attribution / Share Alike license.
91
92 https://creativecommons.org/licenses/by-sa/2.5

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