Gentoo Archives: gentoo-announce

From: Mikle Kolyada <zlogene@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201406-20 ] nginx: Arbitrary code execution
Date: Sun, 22 Jun 2014 12:41:21
Message-Id: 53A6CFBD.7080201@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201406-20
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4 http://security.gentoo.org/
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6
7 Severity: Normal
8 Title: nginx: Arbitrary code execution
9 Date: June 22, 2014
10 Bugs: #505018
11 ID: 201406-20
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14
15 Synopsis
16 ========
17
18 A vulnerability has been found in nginx which may allow execution of
19 arbitrary code.
20
21 Background
22 ==========
23
24 nginx is a robust, small, and high performance HTTP and reverse proxy
25 server.
26
27 Affected packages
28 =================
29
30 -------------------------------------------------------------------
31 Package / Vulnerable / Unaffected
32 -------------------------------------------------------------------
33 1 www-servers/nginx < 1.4.7 >= 1.4.7
34
35 Description
36 ===========
37
38 A bug in the SPDY implementation in nginx was found which might cause a
39 heap memory buffer overflow in a worker process by using a specially
40 crafted request. The SPDY implementation is not enabled in default
41 configurations.
42
43 Impact
44 ======
45
46 A remote attacker could cause execution of arbitrary code by using a
47 specially crafted request.
48
49 Workaround
50 ==========
51
52 Disable the spdy module in NGINX_MODULES_HTTP.
53
54 Resolution
55 ==========
56
57 All nginx users should upgrade to the latest version:
58
59 # emerge --sync
60 # emerge --ask --oneshot --verbose ">=www-servers/nginx-1.4.7"
61
62 References
63 ==========
64
65 [ 1 ] CVE-2014-0133
66 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0133
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 http://security.gentoo.org/glsa/glsa-201406-20.xml
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 2014 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 http://creativecommons.org/licenses/by-sa/2.5

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