Published:
26 January 2000
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2000.018 -- RHSA-2000:005-03 New majordomo packages available 27 January 2000 =========================================================================== Red Hat, Inc. has released the following advisory concerning a vulnerability in majordomo shipped with Red Hat Powertools 6.1 on all architectures. This vulnerability may allow local users to gain privileged access. This is the same vulnerability as described in the AusCERT Advisory AA-2000.01 - Majordomo open() call Vulnerability. - --------------------------BEGIN INCLUDED TEXT-------------------- - --------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: New majordomo packages available Advisory ID: RHSA-2000:005-03 Issue date: 2000-01-20 Updated on: 2000-01-20 Product: Red Hat Powertools Keywords: majordomo Cross references: N/A - --------------------------------------------------------------------- 1. Topic: New majordomo packages are available to fix a local security problem in majordomo. 2. Relevant releases/architectures: Red Hat Powertools 6.1 - i386 alpha sparc 3. Problem description: A vulnerability in /usr/lib/majordomo/resend will allow execution of arbitrary commands with elevated privileges. It is recommended that all users of Red Hat Linux using the majordomo package upgrade to the fixed package. 4. Solution: For each RPM for your particular architecture, run: rpm -Fvh [filename] where filename is the name of the RPM. 5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): N/A 6. Obsoleted by: N/A 7. Conflicts with: N/A 8. RPMs required: Red Hat Powertools 6.1: intel: ftp://updates.redhat.com/powertools/6.1/i386/majordomo-1.94.5-2.i386.rpm alpha: ftp://updates.redhat.com/powertools/6.1/alpha/majordomo-1.94.5-2.alpha.rpm sparc: ftp://updates.redhat.com/powertools/6.1/sparc/majordomo-1.94.5-2.sparc.rpm sources: ftp://updates.redhat.com/powertools/6.1/SRPMS/majordomo-1.94.5-2.src.rpm 9. Verification: MD5 sum Package Name - -------------------------------------------------------------------------- 89e327c6c92acc97db34e541f34c0c67 6.1/sparc/majordomo-1.94.5-2.sparc.rpm 8c829a13c2229060c899ffdc7e7db38c 6.1/alpha/majordomo-1.94.5-2.alpha.rpm f0e22f364abcbe4c217f2b8eb180037d 6.1/i386/majordomo-1.94.5-2.i386.rpm ad994a1742d90a593b8ecfbf52634cd7 6.1/SRPMS/majordomo-1.94.5-2.src.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: http://www.redhat.com/corp/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> 10. References: Thanks to Brock Tellier at btellier@USA.NET for noting the vulnerability. - --------------------------END INCLUDED TEXT-------------------- This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to use any or all of this information is the responsibility of each user or organisation, and should be done so in accordance with site policies and procedures. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the original authors to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/Information/advisories.html If you believe that your system has been compromised, contact AusCERT or your representative in FIRST (Forum of Incident Response and Security Teams). Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for emergencies. -----BEGIN PGP SIGNATURE----- Version: 2.6.3i Charset: noconv Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key iQCVAwUBOJ/aoih9+71yA2DNAQG6ugP/Ya6LojedBR47xgWRACu0coANDSSYtExL 9e1DjkDJVghODqaVzQh6Zx9Pd+ld0xo7hfkwlg/r1V2E3i32S5+Ild810vuqlFVB ueoqvjOvNc9chvQptS3dUk4/uVORzff/a7HPuQEPOsWePSRDEewqAbuXE9IL6koY YOxmkXxeLLo= =n7iI -----END PGP SIGNATURE-----