1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
2 |
Gentoo Linux Security Advisory GLSA 200608-21 |
3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
4 |
http://security.gentoo.org/ |
5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
6 |
|
7 |
Severity: High |
8 |
Title: Heimdal: Multiple local privilege escalation |
9 |
vulnerabilities |
10 |
Date: August 23, 2006 |
11 |
Bugs: #143371 |
12 |
ID: 200608-21 |
13 |
|
14 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
15 |
|
16 |
Synopsis |
17 |
======== |
18 |
|
19 |
Certain Heimdal components, ftpd and rcp, are vulnerable to a local |
20 |
privilege escalation. |
21 |
|
22 |
Background |
23 |
========== |
24 |
|
25 |
Heimdal is a free implementation of Kerberos 5. |
26 |
|
27 |
Affected packages |
28 |
================= |
29 |
|
30 |
------------------------------------------------------------------- |
31 |
Package / Vulnerable / Unaffected |
32 |
------------------------------------------------------------------- |
33 |
1 app-crypt/heimdal < 0.7.2-r3 >= 0.7.2-r3 |
34 |
|
35 |
Description |
36 |
=========== |
37 |
|
38 |
The ftpd and rcp applications provided by Heimdal fail to check the |
39 |
return value of calls to seteuid(). |
40 |
|
41 |
Impact |
42 |
====== |
43 |
|
44 |
A local attacker could exploit this vulnerability to execute arbitrary |
45 |
code with elevated privileges. |
46 |
|
47 |
Workaround |
48 |
========== |
49 |
|
50 |
There is no known workaround at this time. |
51 |
|
52 |
Resolution |
53 |
========== |
54 |
|
55 |
All Heimdal users should upgrade to the latest version: |
56 |
|
57 |
# emerge --sync |
58 |
# emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.7.2-r3" |
59 |
|
60 |
References |
61 |
========== |
62 |
|
63 |
[ 1 ] Official advisory |
64 |
http://www.pdc.kth.se/heimdal/advisory/2006-08-08/ |
65 |
[ 2 ] CVE-2006-3083 |
66 |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3083 |
67 |
[ 3 ] CVE-2006-3084 |
68 |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3084 |
69 |
|
70 |
Availability |
71 |
============ |
72 |
|
73 |
This GLSA and any updates to it are available for viewing at |
74 |
the Gentoo Security Website: |
75 |
|
76 |
http://security.gentoo.org/glsa/glsa-200608-21.xml |
77 |
|
78 |
Concerns? |
79 |
========= |
80 |
|
81 |
Security is a primary focus of Gentoo Linux and ensuring the |
82 |
confidentiality and security of our users machines is of utmost |
83 |
importance to us. Any security concerns should be addressed to |
84 |
security@g.o or alternatively, you may file a bug at |
85 |
http://bugs.gentoo.org. |
86 |
|
87 |
License |
88 |
======= |
89 |
|
90 |
Copyright 2006 Gentoo Foundation, Inc; referenced text |
91 |
belongs to its owner(s). |
92 |
|
93 |
The contents of this document are licensed under the |
94 |
Creative Commons - Attribution / Share Alike license. |
95 |
|
96 |
http://creativecommons.org/licenses/by-sa/2.5 |