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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] glibc XDR overflow fix (SSA:2003-141-03)
Date: Wed, 21 May 2003 20:31:08 -0700 (PDT)
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[slackware-security]  glibc XDR overflow fix (SSA:2003-141-03)

An integer overflow in the xdrmem_getbytes() function found in the glibc
library has been fixed.  This could allow a remote attacker to execute
arbitrary code by exploiting RPC service that use xdrmem_getbytes().  None of
the default RPC services provided by Slackware  appear to use this function,
but third-party applications may make use of it.

We recommend upgrading to these new glibc packages.


Here are the details from the Slackware 9.0 ChangeLog:
+--------------------------+
Tue May 20 20:13:09 PDT 2003
patches/packages/glibc-2.3.1-i386-4.tgz:  Patched, recompiled.
  (* Security fix *)
patches/packages/glibc-debug-2.3.1-i386-4.tgz:  Patched, recompiled.
  (* Security fix *)
patches/packages/glibc-i18n-2.3.1-noarch-4.tgz:  Rebuilt.
patches/packages/glibc-profile-2.3.1-i386-4.tgz:  Patched, recompiled.
  (* Security fix *)
patches/packages/glibc-solibs-2.3.1-i386-4.tgz:  Patched a buffer overflow in
  some dead code (xdrmem_getbytes(), which we couldn't find used by anything,
  but it doesn't hurt to patch it anyway)
  (* Security fix *)
patches/packages/glibc-zoneinfo-2.3.1-noarch-4.tgz:  Rebuilt.
+--------------------------+



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

Updated packages for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/glibc-2.2.5-i386-4.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/glibc-solibs-2.2.5-i386-4.tgz

Updated packages for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/glibc-2.3.1-i386-4.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/glibc-debug-2.3.1-i386-4.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/glibc-i18n-2.3.1-noarch-4.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/glibc-profile-2.3.1-i386-4.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/glibc-solibs-2.3.1-i386-4.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/glibc-zoneinfo-2.3.1-noarch-4.tgz



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

Slackware 8.1 packages:
ae235701abcccdc726789c9af5a0eb7b  glibc-2.2.5-i386-4.tgz
83714476158d8f93a1f597bfdc6945e7  glibc-solibs-2.2.5-i386-4.tgz

Slackware 9.0 packages:
98fb90ce972b42bf5731bc71a722832a  glibc-2.3.1-i386-4.tgz
9f2c944389f25dfe1c1dcb13210d9dc4  glibc-debug-2.3.1-i386-4.tgz
fa9fe934fe1dde4c134021e39aadaf7e  glibc-i18n-2.3.1-noarch-4.tgz
1b264af8e047fa9378169bb4f8a9836f  glibc-profile-2.3.1-i386-4.tgz
7c31f7602c54262c1e3ae16e59f8e0d6  glibc-solibs-2.3.1-i386-4.tgz
35b89aa808f4e7c8424f50eab73d824a  glibc-zoneinfo-2.3.1-noarch-4.tgz



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

Upgrade using upgradepkg (as root):

upgradepkg glibc-*.tgz


+-----+

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

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