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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2000.118 -- RHSA-2000:005-05 [revised] New majordomo packages available 01 June 2000 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: majordomo Vendor: Red Hat Operating System: Linux Unix Platform: intel, sparc, alpha Impact: Execute Arbitrary Code Access Required: local Ref: ESB-2000.018 AA-2000.01 - --------------------------BEGIN INCLUDED TEXT-------------------- - --------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: New majordomo packages available Advisory ID: RHSA-2000:005-05 Issue date: 2000-01-20 Updated on: 2000-05-31 Product: Red Hat Powertools Keywords: majordomo Cross references: N/A - --------------------------------------------------------------------- 1. Topic: New majordomo packages are available to fix local security problems in majordomo. 2. Relevant releases/architectures: Red Hat Powertools 6.1 - i386 alpha sparc 3. Problem description: A vulnerability in /usr/lib/majordomo/resend and /usr/lib/majordomo/wrapper 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, which will resolve the vulnerability in /usr/lib/majordomo/resend. To secure /usr/lib/majodomo/wrapper, please read the solution section below. Once an official patch has been released by the majordomo maintainers, we will release an updated package which will fix both vulnerabilities. 4. Solution: For each RPM for your particular architecture, run: rpm -Fvh [filename] where filename is the name of the RPM. Once the package is installed, become "root" and execute this command: chmod o-x /usr/lib/majordomo/wrapper 5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): N/A 6. RPMs required: Red Hat Powertools 6.1: intel: ftp://ftp.redhat.com/redhat/updates/powertools/6.1/i386/majordomo-1.94.5-2.i386.rpm alpha: ftp://ftp.redhat.com/redhat/updates/powertools/6.1/alpha/majordomo-1.94.5-2.alpha.rpm sparc: ftp://ftp.redhat.com/redhat/updates/powertools/6.1/sparc/majordomo-1.94.5-2.sparc.rpm sources: ftp://ftp.redhat.com/redhat/updates/powertools/6.1/SRPMS/majordomo-1.94.5-2.src.rpm 7. Verification: MD5 sum Package Name - -------------------------------------------------------------------------- ad994a1742d90a593b8ecfbf52634cd7 6.1/SRPMS/majordomo-1.94.5-2.src.rpm 8c829a13c2229060c899ffdc7e7db38c 6.1/alpha/majordomo-1.94.5-2.alpha.rpm f0e22f364abcbe4c217f2b8eb180037d 6.1/i386/majordomo-1.94.5-2.i386.rpm 89e327c6c92acc97db34e541f34c0c67 6.1/sparc/majordomo-1.94.5-2.sparc.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> 8. References: - --------------------------END INCLUDED TEXT-------------------- This security bulletin is provided as a service to AusCERT's members. 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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 iQCVAwUBOXXTBCh9+71yA2DNAQEkJwP8CitQuDoYRDk4UmxuPCpwTadb4+XQeYGP n2XME0QREE3O6SOHci7rRuZxJjjAKgH6i5qlG6P99bHbHdg3hftE0yuvBoB/PNsQ III2PFbRw9VybD6yjRN279yHuqnyXneX799doUO/CD6K6BW2gR+NGcFTpVRvrXuN xlSZ6JVSw1k= =qqlu -----END PGP SIGNATURE-----