Gentoo Archives: gentoo-announce

From: Sean Amoss <ackle@g.o>
To: gentoo-announce@g.o
Subject: [gentoo-announce] [ GLSA 201209-08 ] SquidClamav: Denial of Service
Date: Tue, 25 Sep 2012 00:17:37
Message-Id: 5060F670.1050408@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201209-08
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4 http://security.gentoo.org/
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7 Severity: Normal
8 Title: SquidClamav: Denial of Service
9 Date: September 24, 2012
10 Bugs: #428778
11 ID: 201209-08
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14
15 Synopsis
16 ========
17
18 A vulnerability in SquidClamav may result in Denial of Service.
19
20 Background
21 ==========
22
23 SquidClamav is a HTTP anti-virus for Squid based on ClamAV and ICAP.
24
25 Affected packages
26 =================
27
28 -------------------------------------------------------------------
29 Package / Vulnerable / Unaffected
30 -------------------------------------------------------------------
31 1 net-proxy/squidclamav < 6.8 >= 6.8
32
33 Description
34 ===========
35
36 SquidClamav does not properly escape URLs before passing them to the
37 system command call.
38
39 Impact
40 ======
41
42 A remote attacker could send a specially crafted URL to SquidClamav,
43 possibly resulting in a Denial of Service condition.
44
45 Workaround
46 ==========
47
48 There is no known workaround at this time.
49
50 Resolution
51 ==========
52
53 All SquidClamav users should upgrade to the latest version:
54
55 # emerge --sync
56 # emerge --ask --oneshot --verbose ">=net-proxy/squidclamav-6.8"
57
58 References
59 ==========
60
61 [ 1 ] CVE-2012-3501
62 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3501
63 [ 2 ] SquidClamav News
64 http://squidclamav.darold.net/news.html
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 http://security.gentoo.org/glsa/glsa-201209-08.xml
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 2012 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

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