bugtraq - [slackware-security] Sendmail vulnerabilities fixed (SSA:2003-260-02)

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Message-ID: <Pine.LNX.4.58.0309171201280.10161@bob.slackware.com>
Date: Wed, 17 Sep 2003 12:01:52 -0700 (PDT)
From: Slackware Security Team <security@...ckware.com>
To: slackware-security@...ckware.com
Subject: [slackware-security]  Sendmail vulnerabilities fixed (SSA:2003-260-02)



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[slackware-security]  Sendmail vulnerabilities fixed (SSA:2003-260-02)

The sendmail packages in Slackware 8.1, 9.0, and -current have been
patched to fix security problems.  These issues seem to be remotely
exploitable, so all sites running sendmail should upgrade right away.

Sendmail's 8.12.10 announcement may be found here:
  http://www.sendmail.org/8.12.10.html

Here are the details from the Slackware 9.0 ChangeLog:
+--------------------------+
Wed Sep 17 10:10:26 PDT 2003
patches/packages/sendmail-8.12.10-i386-1.tgz:  Upgraded to sendmail-8.12.10.
  This fixes security issues as noted in Sendmail's RELEASE_NOTES:

    "SECURITY: Fix a buffer overflow in address parsing.  Problem
         detected by Michal Zalewski, patch from Todd C. Miller
         of Courtesan Consulting.
     Fix a potential buffer overflow in ruleset parsing.  This problem
         is not exploitable in the default sendmail configuration;
         only if non-standard rulesets recipient (2), final (4), or
         mailer-specific envelope recipients rulesets are used then a
         problem may occur.  Problem noted by Timo Sirainen."

  We recommend that sites running Sendmail upgrade immediately.

  (* Security fix *)
patches/packages/sendmail-cf-8.12.10-noarch-1.tgz:  Upgraded to config files
  for sendmail-8.12.10.
+--------------------------+


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

Updated packages for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/sendmail-8.12.10-i386-1.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/sendmail-cf-8.12.10-noarch-1.tgz

Updated packages for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/sendmail-8.12.10-i386-1.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/sendmail-cf-8.12.10-noarch-1.tgz

Updated packages for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/sendmail-8.12.10-i486-1.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/sendmail-cf-8.12.10-noarch-1.tgz


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

Slackware 8.1 packages:
c54d3aa8407689e6f3ee5b491f063750  sendmail-8.12.10-i386-1.tgz
3d823ecb0efb5f7d7175bc913b9071df  sendmail-cf-8.12.10-noarch-1.tgz

Slackware 9.0 packages:
49215a19acf21555ccbf64f7c84aefe2  sendmail-8.12.10-i386-1.tgz
524df4f7a5a0d54458274aeefc0288bb  sendmail-cf-8.12.10-noarch-1.tgz

Slackware -current packages:
c044dbbc9445db1e6f830aa370afdcea  sendmail-8.12.10-i486-1.tgz
e9603e09aa8ffadf93cda54e5e3f8833  sendmail-cf-8.12.10-noarch-1.tgz


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

First (as root), stop sendmail:

. /etc/rc.d/rc.sendmail stop

Next, upgrade the sendmail package(s) with upgradepkg:

upgradepkg sendmail-*.tgz

Finally, restart sendmail:

. /etc/rc.d/rc.sendmail start


+-----+

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

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