Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202003-41 ] GNU FriBidi: Heap-based buffer overflow
Date: Thu, 19 Mar 2020 16:43:28
Message-Id: df327a5f-be32-1448-5ae3-2dddee63eaf4@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202003-41
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: GNU FriBidi: Heap-based buffer overflow
9 Date: March 19, 2020
10 Bugs: #699338
11 ID: 202003-41
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14
15 Synopsis
16 ========
17
18 A heap-based buffer overflow in GNU FriBidi might allow remote
19 attackers to execute arbitrary code.
20
21 Background
22 ==========
23
24 The Free Implementation of the Unicode Bidirectional Algorithm.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 dev-libs/fribidi < 1.0.8 >= 1.0.8
33
34 Description
35 ===========
36
37 A heap-based buffer overflow vulnerability was found in GNU FriBidi.
38
39 Impact
40 ======
41
42 A remote attacker could possibly cause a memory corruption, execute
43 arbitrary code with the privileges of the process or cause a Denial of
44 Service condition.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All FriBidi users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=dev-libs/fribidi-1.0.8"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2019-18397
63 https://nvd.nist.gov/vuln/detail/CVE-2019-18397
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 https://security.gentoo.org/glsa/202003-41
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 2020 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 https://creativecommons.org/licenses/by-sa/2.5

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