1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
2 |
Gentoo Linux Security Advisory GLSA 201401-25 |
3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
4 |
http://security.gentoo.org/ |
5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
6 |
|
7 |
Severity: Normal |
8 |
Title: ldns: Arbitrary code execution |
9 |
Date: January 21, 2014 |
10 |
Bugs: #384249 |
11 |
ID: 201401-25 |
12 |
|
13 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
14 |
|
15 |
Synopsis |
16 |
======== |
17 |
|
18 |
A heap-based buffer overflow in ldns might allow remote attackers to |
19 |
execute arbitrary code or cause a Denial of Service condition. |
20 |
|
21 |
Background |
22 |
========== |
23 |
|
24 |
ldns is a fast DNS library with the goal to simplify DNS programming |
25 |
and to allow developers to easily create software conforming to current |
26 |
RFCs and Internet drafts. |
27 |
|
28 |
Affected packages |
29 |
================= |
30 |
|
31 |
------------------------------------------------------------------- |
32 |
Package / Vulnerable / Unaffected |
33 |
------------------------------------------------------------------- |
34 |
1 net-libs/ldns < 1.6.11 >= 1.6.11 |
35 |
|
36 |
Description |
37 |
=========== |
38 |
|
39 |
ldns contains a heap-based buffer overflow in the |
40 |
ldns_rr_new_frm_str_internal function. |
41 |
|
42 |
Impact |
43 |
====== |
44 |
|
45 |
A remote attacker could execute arbitrary code or cause a Denial of |
46 |
Service condition with a crafted Resource Record. |
47 |
|
48 |
Workaround |
49 |
========== |
50 |
|
51 |
There is no known workaround at this time. |
52 |
|
53 |
Resolution |
54 |
========== |
55 |
|
56 |
All ldns users should upgrade to the latest version: |
57 |
|
58 |
# emerge --sync |
59 |
# emerge --ask --oneshot --verbose ">=net-libs/ldns-1.6.11" |
60 |
|
61 |
Packages which depend on this library may need to be recompiled. Tools |
62 |
such as revdep-rebuild may assist in identifying these packages. |
63 |
|
64 |
NOTE: This is a legacy GLSA. Updates for all affected architectures are |
65 |
available since October 11, 2011. It is likely that your system is |
66 |
already no longer affected by this issue. |
67 |
|
68 |
References |
69 |
========== |
70 |
|
71 |
[ 1 ] CVE-2011-3581 |
72 |
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3581 |
73 |
|
74 |
Availability |
75 |
============ |
76 |
|
77 |
This GLSA and any updates to it are available for viewing at |
78 |
the Gentoo Security Website: |
79 |
|
80 |
http://security.gentoo.org/glsa/glsa-201401-25.xml |
81 |
|
82 |
Concerns? |
83 |
========= |
84 |
|
85 |
Security is a primary focus of Gentoo Linux and ensuring the |
86 |
confidentiality and security of our users' machines is of utmost |
87 |
importance to us. Any security concerns should be addressed to |
88 |
security@g.o or alternatively, you may file a bug at |
89 |
https://bugs.gentoo.org. |
90 |
|
91 |
License |
92 |
======= |
93 |
|
94 |
Copyright 2014 Gentoo Foundation, Inc; referenced text |
95 |
belongs to its owner(s). |
96 |
|
97 |
The contents of this document are licensed under the |
98 |
Creative Commons - Attribution / Share Alike license. |
99 |
|
100 |
http://creativecommons.org/licenses/by-sa/2.5 |