-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 +------------------------------------------------------------------------+ | EnGarde Secure Linux Security Advisory December 17, 2001 | | http://www.engardelinux.org/ ESA-20011217-01 | | | | Package: glibc | | Summary: 'glibc' globbing buffer overflow | +------------------------------------------------------------------------+ EnGarde Secure Linux is a secure distribution of Linux that features improved access control, host and network intrusion detection, Web based secure remote management, complete e-commerce using AllCommerce, and integrated open source security tools. OVERVIEW - -------- There is a buffer overflow in glibc's globbing functions. DETAIL - ------ While researching the recent globbing bugs in wu-ftpd, Flavio Veloso <flaviovsat_private> discovered (with the assistance of Jakub Jelinek <jakubat_private>) a buffer overflow in glibc's glob(3) implementation. This vulnerability can only be triggered by programs that use glibc's globbing functions. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2001-0886 to this issue. SOLUTION - -------- All users should upgrade to the most recent version as outlined in this advisory. Guardian Digital recently made available the Guardian Digital Secure Update, a means to proactively keep systems secure and manage system software. EnGarde users can automatically update their system using the Guardian Digital WebTool secure interface. If choosing to manually upgrade this package, updates can be obtained from: ftp://ftp.engardelinux.org/pub/engarde/stable/updates/ http://ftp.engardelinux.org/pub/engarde/stable/updates/ Before upgrading the package, the machine must either: a) be booted into a "standard" kernel; or b) have LIDS disabled. To disable LIDS, execute the command: # /sbin/lidsadm -S -- -LIDS_GLOBAL To install the updated package, execute the command: # rpm -Uvh <filename> You must now update the LIDS configuration by executing the command: # /usr/sbin/config_lids.pl To re-enable LIDS (if it was disabled), execute the command: # /sbin/lidsadm -S -- +LIDS_GLOBAL To verify the signatures of the updated packages, execute the command: # rpm -Kv <filename> UPDATED PACKAGES - ---------------- These updated packages are for EnGarde Secure Linux 1.0.1 (Finestra). Source Packages: SRPMS/glibc-2.1.3-1.0.4.src.rpm MD5 Sum: 94ad720b0450dc659e2d5ed05d2350dc Binary Packages: i386/glibc-2.1.3-1.0.4.i386.rpm MD5 Sum: 6a59be712e55c3da6e027ba44599ab9e i686/glibc-2.1.3-1.0.4.i386.rpm MD5 Sum: 6a59be712e55c3da6e027ba44599ab9e REFERENCES - ---------- Guardian Digital's public key: http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY Credit for the discovery of this bug goes to: Flavio Veloso <flaviovsat_private> glibc's Official Web Site: http://www.gnu.org/software/glibc/ CAN-2001-0886 (Buffer overflow in glob function of glibc) http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0886 Security Contact: securityat_private EnGarde Advisories: http://www.engardelinux.org/advisories.html - -------------------------------------------------------------------------- $Id: ESA-20011217-glibc,v 1.3 2001/12/17 19:48:17 rwm Exp $ - -------------------------------------------------------------------------- Author: Ryan W. Maple, <ryanat_private> Copyright 2001, Guardian Digital, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE8Hln1HD5cqd57fu0RAtG1AJ9EvnH4wHtAw657xNeddtuiJOJ4bgCfcr4I IFa7p43WPGP3HEZrfAeqgXM= =hGmC -----END PGP SIGNATURE-----
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