Gentoo Archives: gentoo-announce

From: John Helmert III <ajak@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202107-50 ] Singularity: Remote code execution
Date: Thu, 22 Jul 2021 04:58:41
Message-Id: YPj6FrhYtDVMOXb1@sol.nexus.lan
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2 Gentoo Linux Security Advisory GLSA 202107-50
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4 https://security.gentoo.org/
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6
7 Severity: High
8 Title: Singularity: Remote code execution
9 Date: July 22, 2021
10 Bugs: #792465
11 ID: 202107-50
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14
15 Synopsis
16 ========
17
18 A vulnerability in Singularity could result in remote code execution.
19
20 Background
21 ==========
22
23 Singularity is the container platform for performance sensitive
24 workloads.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 sys-cluster/singularity < 3.7.4 >= 3.7.4
33
34 Description
35 ===========
36
37 Singularity always uses the default remote endpoint,
38 'cloud.syslabs.io', for action commands using the 'library://' URI
39 rather than the configured remote endpoint.
40
41 Impact
42 ======
43
44 An attacker that that can push a malicious container to the default
45 remote endpoint could execute code on hosts that fetch the container.
46
47 Workaround
48 ==========
49
50 There is no known workaround at this time.
51
52 Resolution
53 ==========
54
55 All Singularity users should upgrade to the latest version:
56
57 # emerge --sync
58 # emerge --ask --oneshot --verbose ">=sys-cluster/singularity-3.7.4"
59
60 References
61 ==========
62
63 [ 1 ] CVE-2021-32635
64 https://nvd.nist.gov/vuln/detail/CVE-2021-32635
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/202107-50
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 2021 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 https://creativecommons.org/licenses/by-sa/2.5

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