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Red Hat alert RHSA-2004:096-01 (ftpd)
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Updated wu-ftpd package fixes security issues Advisory ID: RHSA-2004:096-01 Issue date: 2004-03-08 Updated on: 2004-03-08 Product: Red Hat Enterprise Linux Keywords: ftpd Cross references: Obsoletes: RHSA-2003:246 CVE Names: CAN-2004-0148 - --------------------------------------------------------------------- 1. Topic: An updated wu-ftpd package that fixes two security issues is now available. 2. Relevant releases/architectures: Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64 Red Hat Linux Advanced Workstation 2.1 - ia64 Red Hat Enterprise Linux ES version 2.1 - i386 3. Problem description: The wu-ftpd package contains the Washington University FTP (File Transfer Protocol) server daemon. FTP is a method of transferring files between machines. Glenn Stewart discovered a flaw in wu-ftpd. When configured with "restricted-gid home", an authorized user could use this flaw to circumvent the configured home directory restriction by using chmod. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0148 to this issue. Michael Hendrickx found a flaw in the S/Key login handling. On servers using S/Key authentication, a remote attacker could overflow a buffer and potentially execute arbitrary code. Users of wu-ftpd are advised to upgrade to this updated package, which contains backported security patches and is not vulnerable to these issues. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. 5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): 115979 - xferlog doesn't honor TZ environment variable 116825 - CAN-2004-0148 wu-ftpd user able to break out of restriction 6. RPMs required: Red Hat Enterprise Linux AS (Advanced Server) version 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/wu-ftpd-2.6.1-22.src.rpm i386: Available from Red Hat Network: wu-ftpd-2.6.1-22.i386.rpm ia64: Available from Red Hat Network: wu-ftpd-2.6.1-22.ia64.rpm Red Hat Linux Advanced Workstation 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/wu-ftpd-2.6.1-22.src.rpm ia64: Available from Red Hat Network: wu-ftpd-2.6.1-22.ia64.rpm Red Hat Enterprise Linux ES version 2.1: SRPMS: ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/wu-ftpd-2.6.1-22.src.rpm i386: Available from Red Hat Network: wu-ftpd-2.6.1-22.i386.rpm 7. Verification: MD5 sum Package Name - -------------------------------------------------------------------------- 114f1889ef402bf55447b091f25b2f62 2.1AS/en/os/SRPMS/wu-ftpd-2.6.1-22.src.rpm 1b4f737c278d0597fc8597bc80a6137d 2.1AS/en/os/i386/wu-ftpd-2.6.1-22.i386.rpm 968a98b0db2fe15f01a6e1804755f78e 2.1AS/en/os/ia64/wu-ftpd-2.6.1-22.ia64.rpm 114f1889ef402bf55447b091f25b2f62 2.1AW/en/os/SRPMS/wu-ftpd-2.6.1-22.src.rpm 968a98b0db2fe15f01a6e1804755f78e 2.1AW/en/os/ia64/wu-ftpd-2.6.1-22.ia64.rpm 114f1889ef402bf55447b091f25b2f62 2.1ES/en/os/SRPMS/wu-ftpd-2.6.1-22.src.rpm 1b4f737c278d0597fc8597bc80a6137d 2.1ES/en/os/i386/wu-ftpd-2.6.1-22.i386.rpm These packages are GPG signed by Red Hat for security. Our key is available from https://www.redhat.com/security/keys.html You can verify each package with the following command: rpm --checksig -v <filename> If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: md5sum <filename> 8. References: http://www.securiteam.com/unixfocus/6X00Q1P8KC.html http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0148 9. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/solutions/security/news/contact.html Copyright 2003 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQFATKcWXlSAg2UNWIIRAvKVAJ95Qh5YMdfr1qRyc8FjhBKIV+I0NQCgiAZC nck39E6CgnJpJ4qiraMkeP0= =telJ -----END PGP SIGNATURE----- -- Enterprise-watch-list mailing list Enterprise-watch-list@redhat.com https://www.redhat.com/mailman/listinfo/enterprise-watch-list (Log in to post comments)
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