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Mandrake: glibc buffer overflow Print E-mail
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Posted by LinuxSecurity.com Team   
Mandrake A heap buffer overflow exists in the XDR decoder in glibc version 2.2.5 and earlier. XDR is a mechanism for encoding data structures for use with RPC, which is derived from Sun's RPC implementation which is likewise vulnerable to a heap overflow. Depending on the application, this vulnerability may be exploitable and could lead to arbitrary code execution.

________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           glibc
Advisory ID:            MDKSA-2002:061
Date:                   September 23rd, 2002
Affected versions:      7.1, 7.2, 8.0, 8.1, 8.2, Corporate Server 1.0.1,
                        Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 A heap buffer overflow exists in the XDR decoder in glibc version 2.2.5
 and earlier.  XDR is a mechanism for encoding data structures for use
 with RPC, which is derived from Sun's RPC implementation which is
 likewise vulnerable to a heap overflow.  Depending on the application,
 this vulnerability may be exploitable and could lead to arbitrary code
 execution.  Thanks to Solar Designer for the patches used to correct
 this vulnerability.
________________________________________________________________________

References:

   http://online.securityfocus.com/archive/1/285308
   http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0391
________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.1:
 e1239985bc48d5523035b16f3c82bfec  7.1/RPMS/glibc-2.1.3-21.1mdk.i586.rpm
 795e95bda8adbe8fe24a530f28491ab8  7.1/RPMS/glibc-devel-2.1.3-21.1mdk.i586.rpm
 585a742eaf7474d5479e77f220f234da  7.1/RPMS/glibc-profile-2.1.3-21.1mdk.i586.rpm
 ec9059691c3e8e154db4b96cc5d4e413  7.1/RPMS/nscd-2.1.3-21.1mdk.i586.rpm
 a0f26234fe30b0a73612dc2a135e3f27  7.1/SRPMS/glibc-2.1.3-21.1mdk.src.rpm

 Linux-Mandrake 7.2:
 7d9b54a5a85d4e551a80745d1e975fcb  7.2/RPMS/glibc-2.1.3-21.2mdk.i586.rpm
 66c9e900beb04f86d2779dc2500ed72e  7.2/RPMS/glibc-devel-2.1.3-21.2mdk.i586.rpm
 f6c409c692f153810d9252d02676a73a  7.2/RPMS/glibc-profile-2.1.3-21.2mdk.i586.rpm
 fa36ee80d3d8c327b4c75c09d4c2f526  7.2/RPMS/nscd-2.1.3-21.2mdk.i586.rpm
 54c946cbb6f9136009a3ec2c8855fffa  7.2/SRPMS/glibc-2.1.3-21.2mdk.src.rpm

 Mandrake Linux 8.0:
 86d391fca40956c91c48ec452d05c76c  8.0/RPMS/glibc-2.2.2-8.1mdk.i586.rpm
 5cb1e5bcca85193017c9b56fa9b08481  8.0/RPMS/glibc-devel-2.2.2-8.1mdk.i586.rpm
 e4975c63c1705f92fcdb2f9733af7fac  8.0/RPMS/glibc-profile-2.2.2-8.1mdk.i586.rpm
 c439e6c909b8c3356483f866c128cd9d  8.0/RPMS/ldconfig-2.2.2-8.1mdk.i586.rpm
 7cdb85a080a4b207e08ff8dd1f4116d8  8.0/RPMS/nscd-2.2.2-8.1mdk.i586.rpm
 5e46c4c89160e83b73a023c304184167  8.0/SRPMS/glibc-2.2.2-8.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 c7be729e84c20d00798f8cab9bf7473a  ppc/8.0/RPMS/glibc-2.2.2-8.2mdk.ppc.rpm
 c27f9cc74f60fb0f8da610f92faeb6a3  ppc/8.0/RPMS/glibc-devel-2.2.2-8.2mdk.ppc.rpm
 f4fc35604ccd3a42d29d5eaddd2cbee9  ppc/8.0/RPMS/glibc-profile-2.2.2-8.2mdk.ppc.rpm
 99e7938d5424417261e6a9dafaee5d40  ppc/8.0/RPMS/ldconfig-2.2.2-8.2mdk.ppc.rpm
 187020166e540180e36b8b9007fc566a  ppc/8.0/RPMS/nscd-2.2.2-8.2mdk.ppc.rpm
 9e2fcc4c9c7ade410b42e6b23fbb9d46  ppc/8.0/SRPMS/glibc-2.2.2-8.2mdk.src.rpm

 Mandrake Linux 8.1:
 7f8ad2116f8688851fc57379d7c0d3c3  8.1/RPMS/glibc-2.2.4-11.1mdk.i586.rpm
 5d8ac4b5a97974bc5187b377f31bb06d  8.1/RPMS/glibc-devel-2.2.4-11.1mdk.i586.rpm
 11a69ae235510363826622a626750a35  8.1/RPMS/glibc-profile-2.2.4-11.1mdk.i586.rpm
 ff74214a3fb76377129cddb056fed641  8.1/RPMS/glibc_lsb-2.2.90-8.1mdk.i586.rpm
 93afb9053f67c7ecead9cbcc23d229d3  8.1/RPMS/ldconfig-2.2.4-11.1mdk.i586.rpm
 94d62fc90cd39a05031f93634e8fa241  8.1/RPMS/nscd-2.2.4-11.1mdk.i586.rpm
 81f92eef2cf5820295c618c54fe3a8ed  8.1/SRPMS/glibc-2.2.4-11.1mdk.src.rpm
 17d9a8b13c92ab4c9cdf01659834d095  8.1/SRPMS/glibc_lsb-2.2.90-8.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 6efa3966e2575159ff33123f09b5a0a8  ia64/8.1/RPMS/glibc-2.2.4-11.1mdk.ia64.rpm
 01cbc24c957d882e3c06857e47aef6e3  ia64/8.1/RPMS/glibc-devel-2.2.4-11.1mdk.ia64.rpm
 926f7114d4afe51823eee7e073ae7452  ia64/8.1/RPMS/glibc-profile-2.2.4-11.1mdk.ia64.rpm
 1250d5cda287894899be1ea870e5732f  ia64/8.1/RPMS/ldconfig-2.2.4-11.1mdk.ia64.rpm
 c0313eb71fb382596a6f103c071b21aa  ia64/8.1/RPMS/nscd-2.2.4-11.1mdk.ia64.rpm
 81f92eef2cf5820295c618c54fe3a8ed  ia64/8.1/SRPMS/glibc-2.2.4-11.1mdk.src.rpm

 Mandrake Linux 8.2:
 60a32b0729a65b90ec16338a5a120a7a  8.2/RPMS/glibc-2.2.4-26.1mdk.i586.rpm
 a0c45096b99ba91d3a691e5758f60cd7  8.2/RPMS/glibc-devel-2.2.4-26.1mdk.i586.rpm
 e689be67dfab05ebb074b6fcb6e34406  8.2/RPMS/glibc-profile-2.2.4-26.1mdk.i586.rpm
 4f29e11146a2921d95e326f11fdd1193  8.2/RPMS/glibc_lsb-2.2.90-8.1mdk.i586.rpm
 177168425e8711b8f9cefafae200c083  8.2/RPMS/kernel-headers-2.4.18-26.1mdk.i586.rpm
 e5713ec2c36d4d02a62edeed73163d42  8.2/RPMS/ldconfig-2.2.4-26.1mdk.i586.rpm
 b8859b8818c6a047625e77dd9c4e282f  8.2/RPMS/nscd-2.2.4-26.1mdk.i586.rpm
 aff0a652e01ff836a9c6b5f397694d14  8.2/SRPMS/glibc-2.2.4-26.1mdk.src.rpm
 17d9a8b13c92ab4c9cdf01659834d095  8.2/SRPMS/glibc_lsb-2.2.90-8.1mdk.src.rpm

 Mandrake Linux 8.2/ppc:
 4a999ee46f118dfb7d2d762fa305cdff  ppc/8.2/RPMS/glibc-2.2.4-26.1mdk.ppc.rpm
 01697d41dea5823659a10c5f8719540f  ppc/8.2/RPMS/glibc-devel-2.2.4-26.1mdk.ppc.rpm
 d1e1c7c5dec7fc64df01220161f0bb43  ppc/8.2/RPMS/glibc-profile-2.2.4-26.1mdk.ppc.rpm
 0ae762f284bf58263229e3856ef09afa  ppc/8.2/RPMS/kernel-headers-2.4.18-26.1mdk.ppc.rpm
 ed55e4d5b7438415e4356459d3b3486f  ppc/8.2/RPMS/ldconfig-2.2.4-26.1mdk.ppc.rpm
 cfe8f8bb45fb92888309b788baee7f4f  ppc/8.2/RPMS/nscd-2.2.4-26.1mdk.ppc.rpm
 aff0a652e01ff836a9c6b5f397694d14  ppc/8.2/SRPMS/glibc-2.2.4-26.1mdk.src.rpm

 Corporate Server 1.0.1:
 e1239985bc48d5523035b16f3c82bfec  1.0.1/RPMS/glibc-2.1.3-21.1mdk.i586.rpm
 795e95bda8adbe8fe24a530f28491ab8  1.0.1/RPMS/glibc-devel-2.1.3-21.1mdk.i586.rpm
 585a742eaf7474d5479e77f220f234da  1.0.1/RPMS/glibc-profile-2.1.3-21.1mdk.i586.rpm
 ec9059691c3e8e154db4b96cc5d4e413  1.0.1/RPMS/nscd-2.1.3-21.1mdk.i586.rpm
 a0f26234fe30b0a73612dc2a135e3f27  1.0.1/SRPMS/glibc-2.1.3-21.1mdk.src.rpm

 Single Network Firewall 7.2:
 7d9b54a5a85d4e551a80745d1e975fcb  snf7.2/RPMS/glibc-2.1.3-21.2mdk.i586.rpm
 66c9e900beb04f86d2779dc2500ed72e  snf7.2/RPMS/glibc-devel-2.1.3-21.2mdk.i586.rpm
 f6c409c692f153810d9252d02676a73a  snf7.2/RPMS/glibc-profile-2.1.3-21.2mdk.i586.rpm
 fa36ee80d3d8c327b4c75c09d4c2f526  snf7.2/RPMS/nscd-2.1.3-21.2mdk.i586.rpm
 54c946cbb6f9136009a3ec2c8855fffa  snf7.2/SRPMS/glibc-2.1.3-21.2mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com 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:

   http://www.mandrakesecure.net/en/ftp.php

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:

  https://www.mandrakesecure.net/RPM-GPG-KEYS

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

You can view other update advisories for Mandrake Linux at:

   http://www.mandrakesecure.net/en/advisories/

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

   http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security@linux-mandrake.com>


 
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