Gentoo Archives: gentoo-announce

From: Mikle Kolyada <zlogene@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201507-08 ] libxml2: Denial of Service
Date: Tue, 07 Jul 2015 07:24:15
Message-Id: 559B7DA9.2070200@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 201507-08
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 https://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: libxml2: Denial of Service
9 Date: July 07, 2015
10 Bugs: #546720
11 ID: 201507-08
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A vulnerability in libxml2 allows a remote attacker to cause Denial of
19 Service.
20
21 Background
22 ==========
23
24 libxml2 is the XML C parser and toolkit developed for the Gnome
25 project.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 dev-libs/libxml2 < 2.9.2-r1 >= 2.9.2-r1
34
35 Description
36 ===========
37
38 libxml2 returns the empty string when the allocation limit is
39 encountered while constructing the attribute value string.
40
41 Impact
42 ======
43
44 A remote attacker may be able to cause Denial of Service via a
45 specially crafted XML file.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All libxml2 users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.9.2-r1"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2015-1819
64 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1819
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/201507-08
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 2015 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 http://creativecommons.org/licenses/by-sa/2.5

Attachments

File name MIME type
signature.asc application/pgp-signature