Mandrake: Stunnel file descriptor leak
Posted by LinuxSecurity.com Team   
Mandrake A vulnerability was discovered in stunnel versions 3.24 and earlier, as well as 4.00, by Steve Grubb. It was found that stunnel leaks a critical file descriptor that can be used to hijack stunnel's services.

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 _______________________________________________________________________

                Mandrake Linux Security Update Advisory
 _______________________________________________________________________

 Package name:           stunnel
 Advisory ID:            MDKSA-2003:108
 Date:                   November 25th, 2003

 Affected versions:	 9.0, Corporate Server 2.1
 ______________________________________________________________________

 Problem Description:

 A vulnerability was discovered in stunnel versions 3.24 and earlier,
 as well as 4.00, by Steve Grubb.  It was found that stunnel leaks a
 critical file descriptor that can be used to hijack stunnel's services.
 
 All users are encouraged to upgrade to these packages.  Note that the
 version of stunnel provided with Mandrake Linux 9.1 and above is not
 vulnerable to this problem.
 _______________________________________________________________________

 References:

   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0740
   http://marc.theaimsgroup.com/?l=bugtraq&m=106260760211958&w=2
 ______________________________________________________________________

 Updated Packages:
  
 Corporate Server 2.1:
 77c752f98e0685dd677656e56b6a931c  corporate/2.1/RPMS/stunnel-3.26-1.1.C21mdk.i586.rpm
 45596e6e50ed995cf4b18f9bd7366828  corporate/2.1/SRPMS/stunnel-3.26-1.1.C21mdk.src.rpm

 Corporate Server 2.1/x86_64:
 f080fa4956c146a3e40dc05ae6dbefe8  x86_64/corporate/2.1/RPMS/stunnel-3.26-1.1.C21mdk.x86_64.rpm
 45596e6e50ed995cf4b18f9bd7366828  x86_64/corporate/2.1/SRPMS/stunnel-3.26-1.1.C21mdk.src.rpm

 Mandrake Linux 9.0:
 6b3eec02f63aa0d7aa64fe79b62e3020  9.0/RPMS/stunnel-3.26-1.1.90mdk.i586.rpm
 14afcc8f0257338107bc60e33919a465  9.0/SRPMS/stunnel-3.26-1.1.90mdk.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
  
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