Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202003-31 ] gdb: Buffer overflow
Date: Sun, 15 Mar 2020 19:15:36
Message-Id: e164d2a1-87f1-aff0-2ff7-3fe0d25504b2@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 202003-31
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: gdb: Buffer overflow
9 Date: March 15, 2020
10 Bugs: #690582
11 ID: 202003-31
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14
15 Synopsis
16 ========
17
18 A buffer overflow in gdb might allow a remote attacker to cause a
19 Denial of Service condition.
20
21 Background
22 ==========
23
24 gdb is the GNU project's debugger, facilitating the analysis and
25 debugging of applications. The BFD library provides a uniform method of
26 accessing a variety of object file formats.
27
28 Affected packages
29 =================
30
31 -------------------------------------------------------------------
32 Package / Vulnerable / Unaffected
33 -------------------------------------------------------------------
34 1 sys-devel/gdb < 9.1 >= 9.1
35
36 Description
37 ===========
38
39 It was discovered that gdb didn't properly validate the ELF section
40 sizes from input file.
41
42 Impact
43 ======
44
45 A remote attacker could entice a user to open a specially crafted ELF
46 binary using gdb, possibly resulting in information disclosure or a
47 Denial of Service condition.
48
49 Workaround
50 ==========
51
52 There is no known workaround at this time.
53
54 Resolution
55 ==========
56
57 All gdb users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=sys-devel/gdb-9.1"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2019-1010180
66 https://nvd.nist.gov/vuln/detail/CVE-2019-1010180
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/202003-31
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 2020 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 https://creativecommons.org/licenses/by-sa/2.5

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