Red Hat Linux 6.0 Security Advisory

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Package proftpd Synopsis Buffer overflow in proftpd Advisory ID RHSA-1999:034-01 Issue Date 1999-08-31 Updated on Keywords proftpd buffer overflow remote exploit 1. Topic: proftpd is a ftp server that is shipped by Red Hat as part of the Powertools CD collection. It is not enabled nor installed by default. However, if you have switched to proftpd and you are using the version shipped on the Red Hat Powertoold 6.0 CD you are at risk. 2. Bug IDs fixed: N/A 3. Relevant releases/architectures: Red Hat Linux 6.0, all architectures 4. Obsoleted by: None 5. Conflicts with: None 6. RPMs required: Intel: ftp://updates.redhat.com/6.0/en/os/i386/ proftpd-1.2.0pre3-6.i386.rpm Alpha: ftp://updates.redhat.com/6.0/en/os/alpha proftpd-1.2.0pre3-6.alpha.rpm SPARC: ftp://updates.redhat.com/6.0/en/os/sparc proftpd-1.2.0pre3-6.sparc.rpm Source: ftp://updates.redhat.com/6.0/en/os/SRPMS proftpd-1.2.0pre3-6.src.rpm Architecture neutral: ftp://updates.redhat.com/6.0/en/os/noarch/ 7. Problem description: An explotable buffer overflow security problem in the proftpd daemon has been fixed. The vulnerability is actively exploited on the Internet and site administrators are stronly advised to upgrade to the new packages. Thanks to the members of the BUGTRAQ mailing list and Nic Bellamy for providing a fix. 8. Solution: For each RPM for your particular architecture, run: rpm -Uvh filename where filename is the name of the RPM. Then restart inetd by typing: /etc/rc.d/init.d/inet restart 9. Verification: MD5 sum Package Name ------------------------------------------------------------------------- 71dfdb94daea8b6f043016ff25d80ccc i386/proftpd-1.2.0pre3-6.i386.rpm a8f2d44de9fb5607c5a43c761af5f1a2 alpha/proftpd-1.2.0pre3-6.alpha.rpm 9091ad2a484b85263576c4a6b3c8b4ab sparc/proftpd-1.2.0pre3-6.sparc.rpm 5e374a647f6fd104046b726bf221b3cd SRPMS/proftpd-1.2.0pre3-6.src.rpm These packages are also PGP 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 --nopgp filename 10. References: