| 1 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 2 |
Gentoo Linux Security Advisory GLSA 200506-17 |
| 3 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 4 |
http://security.gentoo.org/ |
| 5 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 6 |
|
| 7 |
Severity: Normal |
| 8 |
Title: SpamAssassin 3, Vipul's Razor: Denial of Service |
| 9 |
vulnerability |
| 10 |
Date: June 21, 2005 |
| 11 |
Bugs: #94722, #95492 |
| 12 |
ID: 200506-17 |
| 13 |
|
| 14 |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 15 |
|
| 16 |
Synopsis |
| 17 |
======== |
| 18 |
|
| 19 |
SpamAssassin and Vipul's Razor are vulnerable to a Denial of Service |
| 20 |
attack when handling certain malformed messages. |
| 21 |
|
| 22 |
Background |
| 23 |
========== |
| 24 |
|
| 25 |
SpamAssassin is an extensible email filter which is used to identify |
| 26 |
junk email. Vipul's Razor is a client for a distributed, collaborative |
| 27 |
spam detection and filtering network. |
| 28 |
|
| 29 |
Affected packages |
| 30 |
================= |
| 31 |
|
| 32 |
------------------------------------------------------------------- |
| 33 |
Package / Vulnerable / Unaffected |
| 34 |
------------------------------------------------------------------- |
| 35 |
1 mail-filter/spamassassin < 3.0.4 >= 3.0.4 |
| 36 |
< 3.0.1 |
| 37 |
2 mail-filter/razor < 2.71 >= 2.71 |
| 38 |
------------------------------------------------------------------- |
| 39 |
2 affected packages on all of their supported architectures. |
| 40 |
------------------------------------------------------------------- |
| 41 |
|
| 42 |
Description |
| 43 |
=========== |
| 44 |
|
| 45 |
SpamAssassin and Vipul's Razor contain a Denial of Service |
| 46 |
vulnerability when handling special misformatted long message headers. |
| 47 |
|
| 48 |
Impact |
| 49 |
====== |
| 50 |
|
| 51 |
By sending a specially crafted message an attacker could cause a Denial |
| 52 |
of Service attack against the SpamAssassin/Vipul's Razor server. |
| 53 |
|
| 54 |
Workaround |
| 55 |
========== |
| 56 |
|
| 57 |
There is no known workaround at this time. |
| 58 |
|
| 59 |
Resolution |
| 60 |
========== |
| 61 |
|
| 62 |
All SpamAssassin users should upgrade to the latest version: |
| 63 |
|
| 64 |
# emerge --sync |
| 65 |
# emerge --ask --oneshot --verbose ">=mail-filter/spamassassin-3.0.4" |
| 66 |
|
| 67 |
All Vipul's Razor users should upgrade to the latest version: |
| 68 |
|
| 69 |
# emerge --sync |
| 70 |
# emerge --ask --oneshot --verbose ">=mail-filter/razor-2.71" |
| 71 |
|
| 72 |
References |
| 73 |
========== |
| 74 |
|
| 75 |
[ 1 ] CAN-2005-1266 |
| 76 |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1266 |
| 77 |
[ 2 ] SpamAssassin Announcement |
| 78 |
http://mail-archives.apache.org/mod_mbox/spamassassin-announce/200506.mbox/%3c17072.35054.586017.822288@×××××××××××××××.com%3e |
| 79 |
[ 3 ] Vipul's Razor Announcement |
| 80 |
http://sourceforge.net/mailarchive/forum.php?thread_id=7520323&forum_id=4259 |
| 81 |
|
| 82 |
Availability |
| 83 |
============ |
| 84 |
|
| 85 |
This GLSA and any updates to it are available for viewing at |
| 86 |
the Gentoo Security Website: |
| 87 |
|
| 88 |
http://security.gentoo.org/glsa/glsa-200506-17.xml |
| 89 |
|
| 90 |
Concerns? |
| 91 |
========= |
| 92 |
|
| 93 |
Security is a primary focus of Gentoo Linux and ensuring the |
| 94 |
confidentiality and security of our users machines is of utmost |
| 95 |
importance to us. Any security concerns should be addressed to |
| 96 |
security@g.o or alternatively, you may file a bug at |
| 97 |
http://bugs.gentoo.org. |
| 98 |
|
| 99 |
License |
| 100 |
======= |
| 101 |
|
| 102 |
Copyright 2005 Gentoo Foundation, Inc; referenced text |
| 103 |
belongs to its owner(s). |
| 104 |
|
| 105 |
The contents of this document are licensed under the |
| 106 |
Creative Commons - Attribution / Share Alike license. |
| 107 |
|
| 108 |
http://creativecommons.org/licenses/by-sa/2.0 |
Archives