1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
2 |
Gentoo Linux Security Advisory GLSA 200603-06 |
3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
4 |
http://security.gentoo.org/ |
5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
6 |
|
7 |
Severity: Normal |
8 |
Title: GNU tar: Buffer overflow |
9 |
Date: March 10, 2006 |
10 |
Bugs: #123038 |
11 |
ID: 200603-06 |
12 |
|
13 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
14 |
|
15 |
Synopsis |
16 |
======== |
17 |
|
18 |
A malicious tar archive could trigger a Buffer overflow in GNU tar, |
19 |
potentially resulting in the execution of arbitrary code. |
20 |
|
21 |
Background |
22 |
========== |
23 |
|
24 |
GNU tar is the standard GNU utility for creating and manipulating tar |
25 |
archives, a common format used for creating backups and distributing |
26 |
files on UNIX-like systems. |
27 |
|
28 |
Affected packages |
29 |
================= |
30 |
|
31 |
------------------------------------------------------------------- |
32 |
Package / Vulnerable / Unaffected |
33 |
------------------------------------------------------------------- |
34 |
1 app-arch/tar < 1.15.1-r1 >= 1.15.1-r1 |
35 |
|
36 |
Description |
37 |
=========== |
38 |
|
39 |
Jim Meyering discovered a flaw in the handling of certain header fields |
40 |
that could result in a buffer overflow when extracting or listing the |
41 |
contents of an archive. |
42 |
|
43 |
Impact |
44 |
====== |
45 |
|
46 |
A remote attacker could construct a malicious tar archive that could |
47 |
potentially execute arbitrary code with the privileges of the user |
48 |
running GNU tar. |
49 |
|
50 |
Workaround |
51 |
========== |
52 |
|
53 |
There is no known workaround at this time. |
54 |
|
55 |
Resolution |
56 |
========== |
57 |
|
58 |
All GNU tar users should upgrade to the latest version: |
59 |
|
60 |
# emerge --sync |
61 |
# emerge --ask --oneshot --verbose ">=app-arch/tar-1.15.1-r1" |
62 |
|
63 |
References |
64 |
========== |
65 |
|
66 |
[ 1 ] CVE-2006-0300 |
67 |
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0300 |
68 |
|
69 |
Availability |
70 |
============ |
71 |
|
72 |
This GLSA and any updates to it are available for viewing at |
73 |
the Gentoo Security Website: |
74 |
|
75 |
http://security.gentoo.org/glsa/glsa-200603-06.xml |
76 |
|
77 |
Concerns? |
78 |
========= |
79 |
|
80 |
Security is a primary focus of Gentoo Linux and ensuring the |
81 |
confidentiality and security of our users machines is of utmost |
82 |
importance to us. Any security concerns should be addressed to |
83 |
security@g.o or alternatively, you may file a bug at |
84 |
http://bugs.gentoo.org. |
85 |
|
86 |
License |
87 |
======= |
88 |
|
89 |
Copyright 2006 Gentoo Foundation, Inc; referenced text |
90 |
belongs to its owner(s). |
91 |
|
92 |
The contents of this document are licensed under the |
93 |
Creative Commons - Attribution / Share Alike license. |
94 |
|
95 |
http://creativecommons.org/licenses/by-sa/2.0 |