Gentoo Archives: gentoo-announce

From: Aaron Bauman <bman@g.o>
To: gentoo-announce@l.g.o
Subject: [gentoo-announce] [ GLSA 201701-50 ] PPP: Buffer overflow
Date: Mon, 23 Jan 2017 03:20:22
Message-Id: b99cc2a4-7ac2-d3cf-4503-12bf1268e364@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 201701-50
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 https://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: PPP: Buffer overflow
9 Date: January 23, 2017
10 Bugs: #546554
11 ID: 201701-50
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 A buffer overflow in PPP might allow remote attackers to cause a Denial
19 of Service condition.
20
21 Background
22 ==========
23
24 PPP is a Unix implementation of the Point-to-Point Protocol
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 net-dialup/ppp < 2.4.7-r3 >= 2.4.7-r3
33
34 Description
35 ===========
36
37 A buffer overflow was discovered in the rc_mksid function in
38 plugins/radius/util.c in PPP when the PID for pppd is greater than
39 65535.
40
41 Impact
42 ======
43
44 A remote attacker could cause a Denial of Service condition.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All PPP users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=net-dialup/ppp-2.4.7-r3"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2015-3310
63 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3310
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/201701-50
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

Attachments

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