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Subject: CERT Summary CS-2003-02
From: CERT Advisory <This email address is being protected from spambots. You need JavaScript enabled to view it.>
Date: Tue, 3 Jun 2003 15:55:52 -0400


CERT Summary CS-2003-02

   June 3, 2003

   Each  quarter, the CERT Coordination Center (CERT/CC) issues the CERT
   Summary  to  draw  attention  to  the types of attacks reported to our
   incident  response  team,  as  well  as  other noteworthy incident and
   vulnerability information. The summary includes pointers to sources of
   information for dealing with the problems.

   Past CERT summaries are available from:

          CERT Summaries


Recent Activity

   Since  the last regularly scheduled CERT summary, issued in March 2003
   (CS-2003-01),  we  have  seen an integer overflow vulnerability within
   Sun's  XDR Library, multiple vulnerabilities in Lotus Notes and Domino
   Server,  a  buffer  overflow  vulnerability  in Sendmail, and multiple
   vulnerabilities within Snort's preprocessors.

   For  more  current  information  on  activity  being  reported  to the
   CERT/CC,  please  visit the CERT/CC Current Activity page. The Current
   Activity  page  is  a  regularly updated summary of the most frequent,
   high-impact  types  of  security  incidents  and vulnerabilities being
   reported  to the CERT/CC. The information on the Current Activity page
   is reviewed and updated as reporting trends change.

          CERT/CC Current Activity

    1. Integer overflow in Sun RPC XDR library routines

       An  integer overflow vulnerability exists in the xdrmem_getbytes()
       function  distributed as part of the Sun Microsystems XDR library.
       This  overflow  may  allow  a remote attacker to execute arbitrary
       code on the victim machine.

                CERT Advisory CA-2003-10: Integer overflow in Sun RPC XDR
                library routines

                Vulnerability Note VU#516825: Integer overflow in Sun RPC
                XDR library routines

    2. Multiple Vulnerabilities in Lotus Notes and Domino

       Multiple  vulnerabilities  had been reported to affect Lotus Notes
       clients and Domino servers. Due to the confusion surrounding these
       vulnerabilities  we released an advisory to clairfy the details of
       the  vulnerabilities,  the versions affected, and the patches that
       resolve these issues.

                CERT  Advisory  CA-2003-11:  Multiple  Vulnerabilities in
                Lotus Notes and Domino

                Vulnerability  Note VU#206361: Lotus iNotes vulnerable to
                buffer overflow via PresetFields FolderName field

                Vulnerability  Note  VU#355169:  Lotus  Domino Web Server
                vulnerable  to  denial  of  service  via  incomplete POST

                Vulnerability  Note VU#542873: Lotus iNotes vulnerable to
                buffer overflow via PresetFields s_ViewName field

                Vulnerability  Note  VU#772817:  Lotus  Domino Web Server
                vulnerable    to   buffer   overflow   via   non-existent
                "h_SetReturnURL"  parameter  with  an  overly  long "Host
                Header" field

                Vulnerability  Note VU#571297: Lotus Notes and Domino COM
                Object Control Handler contains buffer overflow

                Vulnerability   Note   VU#433489:   Lotus  Domino  Server
                susceptible   to  a  pre-authentication  buffer  overflow
                during Notes

                Vulnerability  Note VU#411489: Lotus Domino Web Retriever
                contains a buffer overflow vulnerability

                Vulnerability  Note  VU#583184:  Lotus  Domino  R5 Server
                Family contains multiple vulnerabilities in LDAP handling

    3. Buffer Overflow in Sendmail

       There  is  a  remotely  exploitable vulnerability in sendmail that
       could  allow  an attacker to gain control of a vulnerable sendmail

       Due  to  a  variable  type  conversion  problem,  sendmail may not
       adequately  check  the length of email address tokens. A specially
       crafted email message could trigger a stack overflow.

                CERT Advisory CA-2003-12: Buffer Overflow in Sendmail

                Vulnerability  Note  VU#897604:  Sendmail address parsing
                buffer overflow

    4. Multiple Vulnerabilities in Snort Preprocessors

       There  are  two  vulnerabilities  in the Snort Intrusion Detection
       System,   each   in   a   separate   preprocessor   module.   Both
       vulnerabilities  allow  remote attackers to execute arbitrary code
       with the privileges of the user running Snort, typically root

                CERT  Advisory  CA-2003-13:  Multiple  Vulnerabilities in
                Snort Preprocessors

                Vulnerability  Note  VU#139129:  Heap  overflow  in Snort
                "stream4" preprocessor

                Vulnerability  Note  VU#916785:  Buffer overflow in Snort
                RPC preprocessor

What's New and Updated

   Since the last CERT Summary, we have published new and updated
     * Advisories
     * Vulnerability Notes
     * CERT/CC Statistics
     * Training Schedule

   This document is available from:

CERT/CC Contact Information

   Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
          Phone: +1 412-268-7090 (24-hour hotline)
          Fax: +1 412-268-6989
          Postal address:
          CERT Coordination Center
          Software Engineering Institute
          Carnegie Mellon University
          Pittsburgh PA 15213-3890

   CERT/CC   personnel   answer  the  hotline  08:00-17:00  EST(GMT-5)  /
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