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Category:   Application (Generic)  >   rinetd Vendors:   Boutell.com
(Debian Issues Fix) 'rinetd' Buffer Management Flaw Lets Remote Users Crash the Service
SecurityTracker Alert ID:  1006596
SecurityTracker URL:  http://securitytracker.com/id/1006596
CVE Reference:   CVE-2003-0212   (Links to External Site)
Date:  Apr 17 2003
Impact:   Denial of service via network, Execution of arbitrary code via network, Root access via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.62
Description:   A vulnerability was reported in the 'rinetd' TCP redirection tool. A remote user can cause the service to crash and may be able to execute arbitrary code.

It is reported that when the server's connection list is full (with 64 connections) and an additional 65th connection arrives, the software incorrectly resizes the list. The flaw resides in the handleAccept() function in the rinetd.c file.

A remote user can send a series of connections requests to the server to trigger the flaw, causing the service to crash, hang, or refuse any additional connections. It may also be possible to execute arbitrary code.

The vendor credits Sam Hocevar with reporting this flaw.

Impact:   A remote user can cause the service to crash or stop accepting connections. A remote user may also be able to execute arbitrary code with the privileges of rinetd.
Solution:   Debian has released a fix in version 0.61-1.1 for the stable distribution (woody), in version 0.52-2.1 for the old stable distribution (potato), and in version 0.61-2 for the unstable distribution (sid).

Debian GNU/Linux 2.2 alias potato:

Source archives:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1.dsc
Size/MD5 checksum: 529 d2e500fcd901d2d95c5f6b6425a52c08
http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1.diff.gz
Size/MD5 checksum: 2709 7d0d2f5973b1f846bf3510056bc04ba1
http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52.orig.tar.gz
Size/MD5 checksum: 37061 27ea6c84c2a23712c82f6661db50db84

Alpha architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_alpha.deb
Size/MD5 checksum: 22218 e8614a8e5ee5d995095a512a0a39d953

ARM architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_arm.deb
Size/MD5 checksum: 21340 e4245bc0bc5d1e8db5b1748d5f6b0c65

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_i386.deb
Size/MD5 checksum: 19668 826434042bdefafb5061686ffbf84d58

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_m68k.deb
Size/MD5 checksum: 19134 40e563e72eb4d5021809f8c529a7b278

PowerPC architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_powerpc.deb
Size/MD5 checksum: 19436 4e7c1b0e2f14c9fd5079587a8c1f17f4

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_sparc.deb
Size/MD5 checksum: 22488 b1b427b1756ca6514701bc03593ff758


Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1.dsc
Size/MD5 checksum: 552 ebb1a8e214c048294d0e8eedb9ed0436
http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1.diff.gz
Size/MD5 checksum: 2947 655c6a2d5d97c9f0c3d0361e414829d4
http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61.orig.tar.gz
Size/MD5 checksum: 35718 850d5b32cd53339e200e978b5cd06c7d

Alpha architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_alpha.deb
Size/MD5 checksum: 22980 0b44b269d5e377b534c602b3680a495e

ARM architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_arm.deb
Size/MD5 checksum: 22940 0e1503b368786bbc62d9e5f4e69daf5f

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_i386.deb
Size/MD5 checksum: 20846 47b483fd4e519748fde85679f127d8f4

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_ia64.deb
Size/MD5 checksum: 27694 7e0759e67d0e4c500c1169d12e3bd09c

HP Precision architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_hppa.deb
Size/MD5 checksum: 21326 e79312cfc10d341de6696046b34fb2b2

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_m68k.deb
Size/MD5 checksum: 20362 c4977c42e178aca4f7557d7b518bbc4d

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_mips.deb
Size/MD5 checksum: 22166 3408a418f53baf79476954a1d92db64d

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_mipsel.deb
Size/MD5 checksum: 22126 e40de2ae705f61a24c229e835f7008b8

PowerPC architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_powerpc.deb
Size/MD5 checksum: 20592 adb2fb03b7a699fb2d27d2513e5e3a84

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_s390.deb
Size/MD5 checksum: 21442 330a6cb0f51afeb3b0aa2a6f9fb1f488

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_sparc.deb
Size/MD5 checksum: 23648 3783d35a77ac4547fb011c8991c21439

Vendor URL:  www.boutell.com/rinetd/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Debian)
Underlying OS Comments:  2.2, 3.0

Message History:   This archive entry is a follow-up to the message listed below.
Apr 17 2003 'rinetd' Buffer Management Flaw Lets Remote Users Crash the Service



 Source Message Contents

Subject:  [SECURITY] [DSA 289-1] New rinetd packages fix denial of service


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 289-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
April 17th, 2003                        http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : rinetd
Vulnerability  : incorrect memory resizing
Problem-Type   : remote
Debian-specific: no
CVE Id         : CAN-2003-0212

Sam Hocevar discovered a security problem in rinetd, an IP connection
redirection server.  When the connection list is full, rinetd resizes
the list in order to store the new incoming connection.  However, this
is done improperly, resulting in a denial of service and potentially
execution of arbitrary code.

For the stable distribution (woody) this problem has been fixed in
version 0.61-1.1.

For the old stable distribution (potato) this problem has been
fixed in version 0.52-2.1.

For the unstable distribution (sid) this problem has been fixed in
version 0.61-2

We recommend that you upgrade your rinetd package.


Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 2.2 alias potato
- ---------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1.dsc
      Size/MD5 checksum:      529 d2e500fcd901d2d95c5f6b6425a52c08
    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1.diff.gz
      Size/MD5 checksum:     2709 7d0d2f5973b1f846bf3510056bc04ba1
    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52.orig.tar.gz
      Size/MD5 checksum:    37061 27ea6c84c2a23712c82f6661db50db84

  Alpha architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_alpha.deb
      Size/MD5 checksum:    22218 e8614a8e5ee5d995095a512a0a39d953

  ARM architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_arm.deb
      Size/MD5 checksum:    21340 e4245bc0bc5d1e8db5b1748d5f6b0c65

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_i386.deb
      Size/MD5 checksum:    19668 826434042bdefafb5061686ffbf84d58

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_m68k.deb
      Size/MD5 checksum:    19134 40e563e72eb4d5021809f8c529a7b278

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_powerpc.deb
      Size/MD5 checksum:    19436 4e7c1b0e2f14c9fd5079587a8c1f17f4

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.52-2.1_sparc.deb
      Size/MD5 checksum:    22488 b1b427b1756ca6514701bc03593ff758


Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1.dsc
      Size/MD5 checksum:      552 ebb1a8e214c048294d0e8eedb9ed0436
    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1.diff.gz
      Size/MD5 checksum:     2947 655c6a2d5d97c9f0c3d0361e414829d4
    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61.orig.tar.gz
      Size/MD5 checksum:    35718 850d5b32cd53339e200e978b5cd06c7d

  Alpha architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_alpha.deb
      Size/MD5 checksum:    22980 0b44b269d5e377b534c602b3680a495e

  ARM architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_arm.deb
      Size/MD5 checksum:    22940 0e1503b368786bbc62d9e5f4e69daf5f

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_i386.deb
      Size/MD5 checksum:    20846 47b483fd4e519748fde85679f127d8f4

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_ia64.deb
      Size/MD5 checksum:    27694 7e0759e67d0e4c500c1169d12e3bd09c

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_hppa.deb
      Size/MD5 checksum:    21326 e79312cfc10d341de6696046b34fb2b2

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_m68k.deb
      Size/MD5 checksum:    20362 c4977c42e178aca4f7557d7b518bbc4d

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_mips.deb
      Size/MD5 checksum:    22166 3408a418f53baf79476954a1d92db64d

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_mipsel.deb
      Size/MD5 checksum:    22126 e40de2ae705f61a24c229e835f7008b8

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_powerpc.deb
      Size/MD5 checksum:    20592 adb2fb03b7a699fb2d27d2513e5e3a84

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_s390.deb
      Size/MD5 checksum:    21442 330a6cb0f51afeb3b0aa2a6f9fb1f488

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/r/rinetd/rinetd_0.61-1.1_sparc.deb
      Size/MD5 checksum:    23648 3783d35a77ac4547fb011c8991c21439


  These files will probably be moved into the stable distribution on
  its next revision.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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Version: GnuPG v1.2.1 (GNU/Linux)

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=ubd4
-----END PGP SIGNATURE-----


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