Gentoo Archives: gentoo-announce

From: glsamaker@g.o
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 202210-11 ] schroot: Denial of Service
Date: Mon, 31 Oct 2022 01:57:54
Message-Id: 166717854101.9.5856572838700751803@90bb6a0775af
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 202210-11
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 https://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Low
8 Title: schroot: Denial of Service
9 Date: October 31, 2022
10 Bugs: #867016
11 ID: 202210-11
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A vulnerability has been discovered in schroot which could result in
19 denial of service of the schroot service.
20
21 Background
22 ==========
23
24 schroot is a utility to execute commands in a chroot environment.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 dev-util/schroot < 1.6.13_p2 >= 1.6.13_p2
33
34 Description
35 ===========
36
37 schroot is unecessarily permissive in rules regarding chroot and session
38 names.
39
40 Impact
41 ======
42
43 A crafted chroot or session name can break the internal state of the
44 schroot service, leading to denial of service.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All schroot users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=dev-util/schroot-1.6.13"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2022-2787
63 https://nvd.nist.gov/vuln/detail/CVE-2022-2787
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/202210-11
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 2022 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 https://creativecommons.org/licenses/by-sa/2.5

Attachments

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