Gentoo Archives: gentoo-announce

From: Robert Buchholz <rbu@g.o>
To: gentoo-announce@l.g.o
Cc: bugtraq@×××××××××××××.com, full-disclosure@××××××××××××××.uk, security-alerts@×××××××××××××.com
Subject: [gentoo-announce] [ GLSA 200903-13 ] MPFR: Denial of Service
Date: Mon, 09 Mar 2009 13:21:59
Message-Id: 200903091407.45911.rbu@gentoo.org
1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2 Gentoo Linux Security Advisory GLSA 200903-13
3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
4 http://security.gentoo.org/
5 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6
7 Severity: Normal
8 Title: MPFR: Denial of Service
9 Date: March 09, 2009
10 Bugs: #260968
11 ID: 200903-13
12
13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
14
15 Synopsis
16 ========
17
18 Multiple buffer overflows in MPFR might lead to a Denial of Service.
19
20 Background
21 ==========
22
23 MPFR is a library for multiple-precision floating-point computations
24 with exact rounding.
25
26 Affected packages
27 =================
28
29 -------------------------------------------------------------------
30 Package / Vulnerable / Unaffected
31 -------------------------------------------------------------------
32 1 dev-libs/mpfr < 2.4.1 >= 2.4.1
33
34 Description
35 ===========
36
37 Multiple buffer overflows have been reported in the mpfr_snprintf() and
38 mpfr_vsnprintf() functions.
39
40 Impact
41 ======
42
43 A remote user could exploit the vulnerability to cause a Denial of
44 Service in an application using MPFR via unknown vectors.
45
46 Workaround
47 ==========
48
49 There is no known workaround at this time.
50
51 Resolution
52 ==========
53
54 All MPRF users should upgrade to the latest version:
55
56 # emerge --sync
57 # emerge --ask --oneshot --verbose ">=dev-libs/mpfr-2.4.1"
58
59 References
60 ==========
61
62 [ 1 ] CVE-2009-0757
63 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0757
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 http://security.gentoo.org/glsa/glsa-200903-13.xml
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 http://bugs.gentoo.org.
81
82 License
83 =======
84
85 Copyright 2009 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