Red Hat Linux General Security Advisory

Red Hat, Inc. Security Advisory Synopsis Updated rp-pppoe packages fixing denial of service attack are available. Advisory ID RHSA-2000:130-05 Issue Date 2000-12-19 Updated On 2000-12-20 Product Red Hat Linux Keywords rp-pppoe pppoe DSL ADSL DoS denial of service Cross References N/A 1. Topic: Updated rp-pppoe packages fixing a denial of service attack are available.(Patch from the rp-pppoe author, David F. Skoll <dfs@roaringpenguin.com>) 2. Problem description: Bad TCP packets (e.g. a SYN packet with kind=3, len=0) over a PPP-over-Ethernet link could lock up rp-pppoe. 3. Bug IDs fixed: (see bugzilla for more information) N/A - 4. Relevant releases/architectures: Red Hat Linux 7.0 - i386, alpha 5. RPMs required: Red Hat Linux 7.0: alpha: ftp://updates.redhat.com/7.0/en/os/alpha/rp-pppoe-2.5-1.alpha.rpm i386: ftp://updates.redhat.com/7.0/en/os/i386/rp-pppoe-2.5-1.i386.rpm sources: ftp://updates.redhat.com/7.0/en/os/SRPMS/rp-pppoe-2.5-1.src.rpm 6. Solution: For each RPM for your particular architecture, run:rpm -Fvh [filename]where filename is the name of the RPM. 7. Verification: MD5 sum Package Name ------------------------------------------------------------------------- 76fcab23eb254faf29de37a1efa5dc28 7.0/en/os/SRPMS/rp-pppoe-2.5-1.src.rpm bd65c6557eed2cd8bcaa73d209f580bf 7.0/en/os/alpha/rp-pppoe-2.5-1.alpha.rpm 0921d71844e44b250d2b6282e1b66475 7.0/en/os/i386/rp-pppoe-2.5-1.i386.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: http://www.redhat.com/about/contact.html You can verify each package with the following command: rpm --checksig 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: rpm --checksig --nogpg filename Note that you need RPM >= 3.0 to check GnuPG keys. 8. References: N/A