[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

UNIRAS Brief - 576/03 -Debian Security Advisory DSA 395-1


- ----------------------------------------------------------------------------------
   UNIRAS (UK Govt CERT) Briefing Notice - 576/03 dated 17.10.03  Time: 12:05
 UNIRAS is part of NISCC(National Infrastructure Security Co-ordination Centre)
- ---------------------------------------------------------------------------------- 
  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
- ----------------------------------------------------------------------------------


Debian Security Advisory DSA 395-1:New tomcat4 packages fix denial of service


Aldrin Martoq has discovered a denial of service (DoS) vulnerability in
Apache Tomcat 4.0.x. Sending several non-HTTP requests to Tomcat's HTTP
connector makes Tomcat reject further requests on this port until it is

            ESB-2003.0729 -- Debian Security Advisory DSA 395-1
                New tomcat4 packages fix denial of service
                              17 October 2003

Product:                Apache Tomcat 4.0.x
Publisher:              Debian
Operating System:       Debian GNU/Linux 3.0
Impact:                 Denial of Service
Access Required:        Remote

- - --------------------------BEGIN INCLUDED TEXT--------------------

Hash: SHA1

- - - --------------------------------------------------------------------------
Debian Security Advisory DSA 395-1                     security@xxxxxxxxxx
http://www.debian.org/security/                             Martin Schulze
October 15th, 2003                      http://www.debian.org/security/faq
- - - --------------------------------------------------------------------------

Package        : tomcat4
Vulnerability  : incorrect input handling
Problem-Type   : remote
Debian-specific: no

Aldrin Martoq has discovered a denial of service (DoS) vulnerability in
Apache Tomcat 4.0.x. Sending several non-HTTP requests to Tomcat's HTTP
connector makes Tomcat reject further requests on this port until it is

For the current stable distribution (woody) this problem has been fixed
in version 4.0.3-3woody3.

For the unstable distribution (sid) this problem does not exist in the
current version 4.1.24-2.

We recommend that you upgrade your tomcat4 packages and restart the
tomcat server.

Upgrade Instructions
- - - --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.

Debian GNU/Linux 3.0 alias woody
- - - --------------------------------

  Source archives:

      Size/MD5 checksum:      708 64c5aa3e586635edcd2678d10ab809d2
      Size/MD5 checksum:    16223 bafcad535ede73b939b31e32be50ca9b
      Size/MD5 checksum:  1588186 2b2e0d859f7152e5225633933e6585d6

  Architecture independent components:

      Size/MD5 checksum:  1134260 e667be7a8c67c26834069f15dd93f616
      Size/MD5 checksum:  1164474 9b3283713a2de35d7647f4b9e9820c99
      Size/MD5 checksum:   126724 39150e4598d20ed52d49a470d2d8ce7b

  These files will probably be moved into the stable distribution on
  its next revision.

- - - ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@xxxxxxxxxxxxxxxx
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

Version: GnuPG v1.2.3 (GNU/Linux)


For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via EMail to:

Office Hours:
Mon - Fri: 08:30 - 17:00 Hrs
Tel: +44 (0) 20 7821 1330 Ext 4511
Fax: +44 (0) 20 7821 1686

Outside of Office Hours:
On Call Duty Officer:
Tel: +44 (0) 20 7821 1330 and follow the prompts

- ----------------------------------------------------------------------------------
UNIRAS wishes to acknowledge the contributions of Debian for the information
contained in this Briefing. 
- ----------------------------------------------------------------------------------
This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
- ----------------------------------------------------------------------------------
<End of UNIRAS Briefing>
Version: PGP 8.0