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Category:   Application (Generic)  >   Tcpdump Vendors:   Tcpdump.org
(Mandrake Issues Fix) tcpdump RADIUS print_attr_string() Parameter Overflow Lets Remote Users Crash the Process
SecurityTracker Alert ID:  1008865
SecurityTracker URL:  http://securitytracker.com/id/1008865
CVE Reference:   CAN-2004-0055   (Links to External Site)
Date:  Jan 27 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.8.1
Description:   A vulnerability was reported in tcpdump in the processing of RADIUS packets. A remote user can cause the target tcpdump process to crash.

Jonathan Heusser reported that there is a flaw in 'print-radius.c' in the print_attr_string() function, where the 'length' and 'data' parameters are not properly validated. The report also indicates that there is a flaw in the radius_attr_print() function, where an upper limit for the 'rad_attr->len' is not defined.

A remote user can send a specially crafted RADIUS packet to cause the target process to crash.
Impact:   A remote user can crash the tcpdump process.
Solution:   Mandrake has released a fix.

Corporate Server 2.1:
c9c3cb66d49d3c61c09db1df364309aa corporate/2.1/RPMS/tcpdump-3.7.2-2.1.C21mdk.i586.rpm
a0731e1d0f8bb67e27796486ee0ac6de corporate/2.1/SRPMS/tcpdump-3.7.2-2.1.C21mdk.src.rpm

Corporate Server 2.1/x86_64:
3eba37e4c75f54916c3c15b126710c43 x86_64/corporate/2.1/RPMS/tcpdump-3.7.2-2.1.C21mdk.x86_64.rpm
a0731e1d0f8bb67e27796486ee0ac6de x86_64/corporate/2.1/SRPMS/tcpdump-3.7.2-2.1.C21mdk.src.rpm

Mandrake Linux 9.1:
aa337b3beb1371a5ceace20db36c5dfa 9.1/RPMS/tcpdump-3.7.2-2.1.91mdk.i586.rpm
99e8f3cb2c6cc748ca8c8d24ab555029 9.1/SRPMS/tcpdump-3.7.2-2.1.91mdk.src.rpm

Mandrake Linux 9.1/PPC:
df878fa0b993bcc53cb852a4b3a6b0bb ppc/9.1/RPMS/tcpdump-3.7.2-2.1.91mdk.ppc.rpm
99e8f3cb2c6cc748ca8c8d24ab555029 ppc/9.1/SRPMS/tcpdump-3.7.2-2.1.91mdk.src.rpm

Mandrake Linux 9.2:
595518640b2291ce10e26b943debf84b 9.2/RPMS/tcpdump-3.7.2-2.1.92mdk.i586.rpm
8e3520db919980c762c7acce742f9831 9.2/SRPMS/tcpdump-3.7.2-2.1.92mdk.src.rpm

Mandrake Linux 9.2/AMD64:
efd0e0b8f9796b3ba98d3da63d5b38c2 amd64/9.2/RPMS/tcpdump-3.7.2-2.1.92mdk.amd64.rpm
8e3520db919980c762c7acce742f9831 amd64/9.2/SRPMS/tcpdump-3.7.2-2.1.92mdk.src.rpm

Multi Network Firewall 8.2:
3eaac937cfc3d2390a2eda8dd431fc56 mnf8.2/RPMS/tcpdump-3.7.2-2.1.M82mdk.i586.rpm
a33365b5a8d47668764615ec6713869f mnf8.2/SRPMS/tcpdump-3.7.2-2.1.M82mdk.src.rpm
Vendor URL:  www.tcpdump.org/ (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:   Linux (Mandriva/Mandrake)

Message History:   This archive entry is a follow-up to the message listed below.
Jan 16 2004 tcpdump RADIUS print_attr_string() Parameter Overflow Lets Remote Users Crash the Process


 Source Message Contents
Date:  27 Jan 2004 01:03:39 -0000
Subject:  MDKSA-2004:008 - Updated tcpdump packages fix several vulnerabilities


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

 _______________________________________________________________________

                Mandrake Linux Security Update Advisory
 _______________________________________________________________________

 Package name:           tcpdump
 Advisory ID:            MDKSA-2004:008
 Date:                   January 26th, 2004

 Affected versions:	 9.1, 9.2, Corporate Server 2.1,
			 Multi Network Firewall 8.2
 ______________________________________________________________________

 Problem Description:

 A number of vulnerabilities were discovered in tcpdump versions prior
 to 3.8.1 that, if fed a maliciously crafted packet, could be exploited
 to crash tcpdump or potentially execute arbitrary code with the
 privileges of the user running tcpdump.  These vulnerabilities include:
 
 An infinite loop and memory consumption processing L2TP packets
 (CAN-2003-1029).
 
 Infinite loops in processing ISAKMP packets (CAN-2003-0989,
 CAN-2004-0057).
 
 A segmentation fault caused by a RADIUS attribute with a large length
 value (CAN-2004-0055).
 
 The updated packages are patched to correct these problem.
 _______________________________________________________________________

 References:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0989
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1029
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0055
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0057
 ______________________________________________________________________

 Updated Packages:
  
 Corporate Server 2.1:
 c9c3cb66d49d3c61c09db1df364309aa  corporate/2.1/RPMS/tcpdump-3.7.2-2.1.C21mdk.i586.rpm
 a0731e1d0f8bb67e27796486ee0ac6de  corporate/2.1/SRPMS/tcpdump-3.7.2-2.1.C21mdk.src.rpm

 Corporate Server 2.1/x86_64:
 3eba37e4c75f54916c3c15b126710c43  x86_64/corporate/2.1/RPMS/tcpdump-3.7.2-2.1.C21mdk.x86_64.rpm
 a0731e1d0f8bb67e27796486ee0ac6de  x86_64/corporate/2.1/SRPMS/tcpdump-3.7.2-2.1.C21mdk.src.rpm

 Mandrake Linux 9.1:
 aa337b3beb1371a5ceace20db36c5dfa  9.1/RPMS/tcpdump-3.7.2-2.1.91mdk.i586.rpm
 99e8f3cb2c6cc748ca8c8d24ab555029  9.1/SRPMS/tcpdump-3.7.2-2.1.91mdk.src.rpm

 Mandrake Linux 9.1/PPC:
 df878fa0b993bcc53cb852a4b3a6b0bb  ppc/9.1/RPMS/tcpdump-3.7.2-2.1.91mdk.ppc.rpm
 99e8f3cb2c6cc748ca8c8d24ab555029  ppc/9.1/SRPMS/tcpdump-3.7.2-2.1.91mdk.src.rpm

 Mandrake Linux 9.2:
 595518640b2291ce10e26b943debf84b  9.2/RPMS/tcpdump-3.7.2-2.1.92mdk.i586.rpm
 8e3520db919980c762c7acce742f9831  9.2/SRPMS/tcpdump-3.7.2-2.1.92mdk.src.rpm

 Mandrake Linux 9.2/AMD64:
 efd0e0b8f9796b3ba98d3da63d5b38c2  amd64/9.2/RPMS/tcpdump-3.7.2-2.1.92mdk.amd64.rpm
 8e3520db919980c762c7acce742f9831  amd64/9.2/SRPMS/tcpdump-3.7.2-2.1.92mdk.src.rpm

 Multi Network Firewall 8.2:
 3eaac937cfc3d2390a2eda8dd431fc56  mnf8.2/RPMS/tcpdump-3.7.2-2.1.M82mdk.i586.rpm
 a33365b5a8d47668764615ec6713869f  mnf8.2/SRPMS/tcpdump-3.7.2-2.1.M82mdk.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 A list of FTP mirrors can be obtained from:

  http://www.mandrakesecure.net/en/ftp.php

 All packages are signed by MandrakeSoft for security.  You can obtain
 the GPG public key of the Mandrake Linux Security Team by executing:

  gpg --recv-keys --keyserver www.mandrakesecure.net 0x22458A98

 Please be aware that sometimes it takes the mirrors a few hours to
 update.

 You can view other update advisories for Mandrake Linux at:

  http://www.mandrakesecure.net/en/advisories/

 MandrakeSoft has several security-related mailing list services that
 anyone can subscribe to.  Information on these lists can be obtained by
 visiting:

  http://www.mandrakesecure.net/en/mlist.php

 If you want to report vulnerabilities, please contact

  security_linux-mandrake.com

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security linux-mandrake.com>
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