Slackware: sendmail remote exploit
Posted by LinuxSecurity.com Team   
Slackware A remote vulnerability exists that can result in commands can be executed with administrative privileges.

[slackware-security]  Sendmail buffer overflow fixed

The sendmail packages in Slackware 8.1 and -current have been patched to fix
a security problem.  All sites running sendmail should upgrade.  

More information on the problem can be found here:
 
http://www.sendmail.org/8.12.8.html

Here are the details from the Slackware 8.1 ChangeLog:
+--------------------------+
Mon Mar  3 10:29:01 PST 2003
patches/packages/sendmail-8.12.8-i386-1.tgz:  Upgraded to sendmail-8.12.8.
  From sendmail's RELNOTES:
    SECURITY: Fix a remote buffer overflow in header parsing by dropping sender
    and recipient header comments if the comments are too long.  Problem noted
    by Mark Dowd of ISS X-Force.
  (* Security fix *)
patches/packages/sendmail-cf-8.12.8-noarch-1.tgz:  Updated config files for
  sendmail-8.12.8.
+--------------------------+



WHERE TO FIND THE NEW PACKAGES:
+-----------------------------+

Updated packages for Slackware 8.1: 
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/sendmail-8.12.8-i386-1.tgz 
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/sendmail-cf-8.12.8-noarch-1.tgz

Updated packages for Slackware -current: 
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/sendmail-8.12.8-i386-1.tgz 
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/sendmail-cf-8.12.8-noarch-1.tgz



MD5 SIGNATURES:
+-------------+

Here are the md5sums for the packages:

Slackware 8.1 packages:
c2c72b982d91d9ca0f59ab2afdf337f2  sendmail-8.12.8-i386-1.tgz
0b8e338169dca7487dd042ba070120d1  sendmail-cf-8.12.8-noarch-1.tgz

Slackware -current packages:
a9db559cd852164577f26efff1e9b36d  sendmail-8.12.8-i386-1.tgz
0141c1f40e1efd148f9ccd1d5a09e7f0  sendmail-cf-8.12.8-noarch-1.tgz



INSTALLATION INSTRUCTIONS:
+------------------------+

As root, upgrade the sendmail package(s) with upgradepkg:

upgradepkg sendmail-*.tgz

Then, restart sendmail:

/etc/rc.d/rc.sendmail restart



+-----+

Slackware Linux Security Team 
http://slackware.com/gpg-key
security@slackware.com

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