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Mandrake: sendmail smrsh vulnerability Print E-mail
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Posted by Team   
Mandrake A vulnerability was discovered in the sendmail MTA. There are two ways to exploit smrsh.


                Mandrake Linux Security Update Advisory

Package name:           sendmail
Advisory ID:            MDKSA-2002:083
Date:                   November 28th, 2002

Affected versions:      7.2, 8.0, 8.1, 8.2, 9.0

Problem Description:

 A vulnerability was discovered by zen-parse and Pedram Amini in the
 sendmail MTA.  They found two ways to exploit smrsh, an application
 intended as a replacement for the sh shell for use with sendmail; the
 first by inserting specially formatted commands in the ~/.forward file
 and secondly by calling smrsh directly with special options.  These
 can be exploited to give users with no shell account, or those not
 permitted to execute certain programs or commands, the ability to bypass
 these restrictions.


Updated Packages:

 Linux-Mandrake 7.2:
 373baebe4bf8d56ae77d31dd5872d6e7  7.2/RPMS/sendmail-8.11.0-4.1mdk.i586.rpm
 328d1a48083475ba4566ebf7f605379a  7.2/RPMS/sendmail-cf-8.11.0-4.1mdk.i586.rpm
 b8104a384b4916382303e88f993bf601  7.2/RPMS/sendmail-doc-8.11.0-4.1mdk.i586.rpm
 062d0bbffd21832a531b868d2fa41d59  7.2/SRPMS/sendmail-8.11.0-4.1mdk.src.rpm

 Mandrake Linux 8.0:
 44400515a2cd48fdb030f002129e44f2  8.0/RPMS/sendmail-8.11.6-4.1mdk.i586.rpm
 ab9b0888d6f2f281564c40f0f6b4a186  8.0/RPMS/sendmail-cf-8.11.6-4.1mdk.i586.rpm
 4a346d684eab9e865151b5de8f84ba6b  8.0/RPMS/sendmail-doc-8.11.6-4.1mdk.i586.rpm
 45d7f0338210e7c54cc50ffe072590d9  8.0/SRPMS/sendmail-8.11.6-4.1mdk.src.rpm

 Mandrake Linux 8.0/PPC:
 99532bf656576f62e45c3dfdc5be474a  ppc/8.0/RPMS/sendmail-8.11.6-4.1mdk.ppc.rpm
 59fd9c40bc0b27385af09daf9f4cc6b5  ppc/8.0/RPMS/sendmail-cf-8.11.6-4.1mdk.ppc.rpm
 08bef5d3919ef9cb6d5dd0ee8494d704  ppc/8.0/RPMS/sendmail-doc-8.11.6-4.1mdk.ppc.rpm
 45d7f0338210e7c54cc50ffe072590d9  ppc/8.0/SRPMS/sendmail-8.11.6-4.1mdk.src.rpm

 Mandrake Linux 8.1:
 72d5fb602ca22193c5c28cc62197e9dd  8.1/RPMS/sendmail-8.11.6-4.2mdk.i586.rpm
 ea799b5908a1eef6c9f8e1f0b16ed772  8.1/RPMS/sendmail-cf-8.11.6-4.2mdk.i586.rpm
 214dbb9389fd13582bf5dae052c48331  8.1/RPMS/sendmail-doc-8.11.6-4.2mdk.i586.rpm
 8abbf26622672b0e73b2b88d86dfe650  8.1/SRPMS/sendmail-8.11.6-4.2mdk.src.rpm

 Mandrake Linux 8.1/IA64:
 524ec0344463d29e037fff6808b4ba1c  ia64/8.1/RPMS/sendmail-8.11.6-4.2mdk.ia64.rpm
 73b3f7032c4f954b060e4887aef9f43a  ia64/8.1/RPMS/sendmail-cf-8.11.6-4.2mdk.ia64.rpm
 bf1f08248bc48a76443c62287881b9f7  ia64/8.1/RPMS/sendmail-doc-8.11.6-4.2mdk.ia64.rpm
 8abbf26622672b0e73b2b88d86dfe650  ia64/8.1/SRPMS/sendmail-8.11.6-4.2mdk.src.rpm

 Mandrake Linux 8.2:
 4150783a9dfb364817ce4048e004e92c  8.2/RPMS/sendmail-8.12.1-4.1mdk.i586.rpm
 bd7029024fbd55f6508223cb0bfa0a74  8.2/RPMS/sendmail-cf-8.12.1-4.1mdk.i586.rpm
 cd047fd5b8f64a556b2da3f12823eb42  8.2/RPMS/sendmail-devel-8.12.1-4.1mdk.i586.rpm
 bb56c8f75431147782195b19250db4df  8.2/RPMS/sendmail-doc-8.12.1-4.1mdk.i586.rpm
 76e444b6d3862f4be1b20328bc19c390  8.2/SRPMS/sendmail-8.12.1-4.1mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 5626e5e5299593c6afc8ff96606dfb4a  ppc/8.2/RPMS/sendmail-8.12.1-4.1mdk.ppc.rpm
 7a3d53c2a7a6ee42b9929ce9b031dfbd  ppc/8.2/RPMS/sendmail-cf-8.12.1-4.1mdk.ppc.rpm
 5bf01019cfa58df45f599d8210265156  ppc/8.2/RPMS/sendmail-devel-8.12.1-4.1mdk.ppc.rpm
 f52c06a9882b86b3ebc52b73b007c688  ppc/8.2/RPMS/sendmail-doc-8.12.1-4.1mdk.ppc.rpm
 76e444b6d3862f4be1b20328bc19c390  ppc/8.2/SRPMS/sendmail-8.12.1-4.1mdk.src.rpm

 Mandrake Linux 9.0:
 5d44e83d0cad39834c1ecabd14ef5c16  9.0/RPMS/sendmail-8.12.6-3.1mdk.i586.rpm
 7f7e2b853097b89251036c8012a2d58d  9.0/RPMS/sendmail-cf-8.12.6-3.1mdk.i586.rpm
 2bf0aeef41aa773519d8f1321d83113d  9.0/RPMS/sendmail-devel-8.12.6-3.1mdk.i586.rpm
 4c37e6cd851f8d7da9fd00fa7bdb4e7c  9.0/RPMS/sendmail-doc-8.12.6-3.1mdk.i586.rpm
 aa578b1af8958a33dd2a8ae6b6bf5cd5  9.0/SRPMS/sendmail-8.12.6-3.1mdk.src.rpm

Bug IDs fixed (see for more information):

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

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".  A list of
FTP mirrors can be obtained from:

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:

  rpm --checksig 

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

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

You can view other update advisories for Mandrake Linux at:

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

If you want to report vulnerabilities, please contact

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team

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