Gentoo Archives: gentoo-announce

From: Thomas Deutschmann <whissi@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201701-67 ] a2ps: Arbitrary code execution
Date: Sun, 29 Jan 2017 16:17:06
Message-Id: cc389dde-76aa-d3f5-7369-747e56148fa3@gentoo.org
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2 Gentoo Linux Security Advisory GLSA 201701-67
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4 https://security.gentoo.org/
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6
7 Severity: Normal
8 Title: a2ps: Arbitrary code execution
9 Date: January 29, 2017
10 Bugs: #506352
11 ID: 201701-67
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14
15 Synopsis
16 ========
17
18 A vulnerability in a2ps' fixps script might allow remote attackers to
19 execute arbitrary code.
20
21 Background
22 ==========
23
24 a2ps is an Any to PostScript filter.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 app-text/a2ps < 4.14-r5 >= 4.14-r5
33
34 Description
35 ===========
36
37 a2ps' fixps script does not invoke gs with the -dSAFER option.
38
39 Impact
40 ======
41
42 Remote attackers, by enticing a user to process a specially crafted
43 PostScript file, could delete arbitrary files or execute arbitrary code
44 with the privileges of the process.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All a2ps users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=app-text/a2ps-4.14-r5"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2014-0466
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0466
64
65 Availability
66 ============
67
68 This GLSA and any updates to it are available for viewing at
69 the Gentoo Security Website:
70
71 https://security.gentoo.org/glsa/201701-67
72
73 Concerns?
74 =========
75
76 Security is a primary focus of Gentoo Linux and ensuring the
77 confidentiality and security of our users' machines is of utmost
78 importance to us. Any security concerns should be addressed to
79 security@g.o or alternatively, you may file a bug at
80 https://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2017 Gentoo Foundation, Inc; referenced text
86 belongs to its owner(s).
87
88 The contents of this document are licensed under the
89 Creative Commons - Attribution / Share Alike license.
90
91 http://creativecommons.org/licenses/by-sa/2.5

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