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Mandrake: ipsec-tools Signature non-verification vulnerability Print E-mail
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Posted by LinuxSecurity.com Team   
Mandrake Racoon does not verify the RSA signature during phase one of a connection using either main or aggressive mode. Only the certificate of the client is verified, the certificate is not used to verify the client's signature.

Mandrakelinux Security Update Advisory
 _______________________________________________________________________

 Package name:           ipsec-tools
 Advisory ID:            MDKSA-2004:027
 Date:                   April 8th, 2004

 Affected versions:	 10.0
 ______________________________________________________________________

 Problem Description:

 A very serious security flaw was discovered by Ralf Spenneberg in 
 racoon, the IKE daemon of the KAME-tools.  Racoon does not very the RSA
 signature during phase one of a connection using either main or
 aggressive mode.  Only the certificate of the client is verified, the
 certificate is not used to verify the client's signature.
 
 All versions of ipsec-tools prior to 0.2.5 and 0.3rc5 are vulnerable
 to this issue.  The provided package updates ipsec-tools to 0.2.5.
 _______________________________________________________________________

 References:

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0155
 ______________________________________________________________________

 Updated Packages:
  
 Mandrakelinux 10.0:
 5ccd56bb9dab0708be04d99e68ee636a  10.0/RPMS/ipsec-tools-0.2.5-0.1.100mdk.i586.rpm
 60af7d28c135a27a4a7a6a7a340154db  10.0/RPMS/libipsec-tools0-0.2.5-0.1.100mdk.i586.rpm
 a19e2af746e74f53b9a2d8e8e949a58a  10.0/SRPMS/ipsec-tools-0.2.5-0.1.100mdk.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 Mandrakelinux 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 Mandrakelinux 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
  

 
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