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Category:   Application (Generic)  >   Rsync Vendors:   rsync.samba.org
(Mandrake Issues Fix) Rsync Heap Overflow in Daemon Mode Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1008393
SecurityTracker URL:  http://securitytracker.com/id/1008393
CVE Reference:   CAN-2003-0962   (Links to External Site)
Date:  Dec 5 2003
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.5.6 and prior versions
Description:   A vulnerability was reported in rsync. A remote user can execute arbitrary code on the target system.

It is reported that a remote user can connect to a target server running rsync on TCP port 873 and send specially crafted data to execute arbitrary code. The code will run with the privileges of the rsync daemon.

Only systems that are running rsync in daemon mode are reportedly affected.

Impact:   A remote user can execute arbitrary code with the privileges of the rsync daemon.
Solution:   Mandrake has released a fix.

Corporate Server 2.1:
9bc8cc0d702a6b443f4e9317c8821b1f corporate/2.1/RPMS/rsync-2.5.5-5.1.C21mdk.i586.rpm
01b24d9543fd1048c2b60b7540df5855 corporate/2.1/SRPMS/rsync-2.5.5-5.1.C21mdk.src.rpm

Corporate Server 2.1/x86_64:
77aaea222c1ae12fd94e44bd2ccdd13e x86_64/corporate/2.1/RPMS/rsync-2.5.5-5.1.C21mdk.x86_64.rpm
01b24d9543fd1048c2b60b7540df5855 x86_64/corporate/2.1/SRPMS/rsync-2.5.5-5.1.C21mdk.src.rpm

Mandrake Linux 9.0:
176a59edc02391381bd8c65ba9c535b2 9.0/RPMS/rsync-2.5.5-5.1.90mdk.i586.rpm
33c6c7dd1a9057d859028c748601f223 9.0/SRPMS/rsync-2.5.5-5.1.90mdk.src.rpm

Mandrake Linux 9.1:
f62e360a268f5d258a7116127d89c322 9.1/RPMS/rsync-2.5.7-0.1.91mdk.i586.rpm
8a1ff0d2ba41c0e12f0e3e434c34d2c2 9.1/SRPMS/rsync-2.5.7-0.1.91mdk.src.rpm

Mandrake Linux 9.1/PPC:
0fe2b91fba74687f9cff0db22706f330 ppc/9.1/RPMS/rsync-2.5.7-0.1.91mdk.ppc.rpm
8a1ff0d2ba41c0e12f0e3e434c34d2c2 ppc/9.1/SRPMS/rsync-2.5.7-0.1.91mdk.src.rpm

Mandrake Linux 9.2:
41edd9f6879a380fde978594915e520c 9.2/RPMS/rsync-2.5.7-0.1.92mdk.i586.rpm
54cd027ef28c50ba918971a588d6506b 9.2/SRPMS/rsync-2.5.7-0.1.92mdk.src.rpm

Multi Network Firewall 8.2:
bc447c3f0e1ad99e80c65caa4ac22ee4 mnf8.2/RPMS/rsync-2.5.4-2.1.M82mdk.i586.rpm
5ec35ae267cc5b3026b269e1d76171b6 mnf8.2/SRPMS/rsync-2.5.4-2.1.M82mdk.src.rpm

Vendor URL:  rsync.samba.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Mandriva/Mandrake)

Message History:   This archive entry is a follow-up to the message listed below.
Dec 4 2003 Rsync Heap Overflow in Daemon Mode Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Date:  4 Dec 2003 23:11:26 -0000
Subject:  MDKSA-2003:111 - Updated rsync packages fix heap overflow vulnerability


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

 _______________________________________________________________________

                Mandrake Linux Security Update Advisory
 _______________________________________________________________________

 Package name:           rsync
 Advisory ID:            MDKSA-2003:111
 Date:                   December 4th, 2003

 Affected versions:	 9.0, 9.1, 9.2, Corporate Server 2.1,
			 Multi Network Firewall 8.2
 ______________________________________________________________________

 Problem Description:

 A vulnerability was discovered in all versions of rsync prior to 2.5.7
 that was recently used in conjunction with the Linux kernel do_brk()
 vulnerability to compromise a public rsync server.
 
 This heap overflow vulnerability, by itself, cannot yield root access,
 however it does allow arbitrary code execution on the host running
 rsync as a server.  Also note that this only affects hosts running
 rsync in server mode (listening on port 873, typically under xinetd).
 _______________________________________________________________________

 References:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0962
  http://rsync.samba.org/index.html
 ______________________________________________________________________

 Updated Packages:
  
 Corporate Server 2.1:
 9bc8cc0d702a6b443f4e9317c8821b1f  corporate/2.1/RPMS/rsync-2.5.5-5.1.C21mdk.i586.rpm
 01b24d9543fd1048c2b60b7540df5855  corporate/2.1/SRPMS/rsync-2.5.5-5.1.C21mdk.src.rpm

 Corporate Server 2.1/x86_64:
 77aaea222c1ae12fd94e44bd2ccdd13e  x86_64/corporate/2.1/RPMS/rsync-2.5.5-5.1.C21mdk.x86_64.rpm
 01b24d9543fd1048c2b60b7540df5855  x86_64/corporate/2.1/SRPMS/rsync-2.5.5-5.1.C21mdk.src.rpm

 Mandrake Linux 9.0:
 176a59edc02391381bd8c65ba9c535b2  9.0/RPMS/rsync-2.5.5-5.1.90mdk.i586.rpm
 33c6c7dd1a9057d859028c748601f223  9.0/SRPMS/rsync-2.5.5-5.1.90mdk.src.rpm

 Mandrake Linux 9.1:
 f62e360a268f5d258a7116127d89c322  9.1/RPMS/rsync-2.5.7-0.1.91mdk.i586.rpm
 8a1ff0d2ba41c0e12f0e3e434c34d2c2  9.1/SRPMS/rsync-2.5.7-0.1.91mdk.src.rpm

 Mandrake Linux 9.1/PPC:
 0fe2b91fba74687f9cff0db22706f330  ppc/9.1/RPMS/rsync-2.5.7-0.1.91mdk.ppc.rpm
 8a1ff0d2ba41c0e12f0e3e434c34d2c2  ppc/9.1/SRPMS/rsync-2.5.7-0.1.91mdk.src.rpm

 Mandrake Linux 9.2:
 41edd9f6879a380fde978594915e520c  9.2/RPMS/rsync-2.5.7-0.1.92mdk.i586.rpm
 54cd027ef28c50ba918971a588d6506b  9.2/SRPMS/rsync-2.5.7-0.1.92mdk.src.rpm

 Multi Network Firewall 8.2:
 bc447c3f0e1ad99e80c65caa4ac22ee4  mnf8.2/RPMS/rsync-2.5.4-2.1.M82mdk.i586.rpm
 5ec35ae267cc5b3026b269e1d76171b6  mnf8.2/SRPMS/rsync-2.5.4-2.1.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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-----END PGP SIGNATURE-----

 
 


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