Gentoo Archives: gentoo-announce

From: Mikle Kolyada <zlogene@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201404-02 ] libproxy: User-assisted execution of arbitrary code
Date: Mon, 07 Apr 2014 19:12:21
Message-Id: 5342F936.2090609@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 201404-02
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 http://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: libproxy: User-assisted execution of arbitrary code
9 Date: April 07, 2014
10 Bugs: #438146
11 ID: 201404-02
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A buffer overflow in libproxy might allow remote attackers to execute
19 arbitrary code.
20
21 Background
22 ==========
23
24 libproxy is a library for automatic proxy configuration management.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-libs/libproxy < 0.4.10 >= 0.4.10
33
34 Description
35 ===========
36
37 A boundary error when processing the proxy.pac file could cause a
38 stack-based buffer overflow.
39
40 Impact
41 ======
42
43 A man-in-the-middle attacker could provide a specially crafted
44 proxy.pac file on a remote server, possibly resulting in execution of
45 arbitrary code with the privileges of the process or a Denial of
46 Service condition.
47
48 Workaround
49 ==========
50
51 There is no known workaround at this time.
52
53 Resolution
54 ==========
55
56 All libproxy users should upgrade to the latest version:
57
58 # emerge --sync
59 # emerge --ask --oneshot --verbose ">=net-libs/libproxy-0.4.10"
60
61 References
62 ==========
63
64 [ 1 ] CVE-2012-4504
65 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4504
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 http://security.gentoo.org/glsa/glsa-201404-02.xml
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 2014 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 http://creativecommons.org/licenses/by-sa/2.5
94
95 --
96 Mikle Kolyada
97 Gentoo Linux Developer

Attachments

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