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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2000.167 -- RHSA-2000:042-01 BitchX denial of service vulnerability 7 July 2000 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: BitchX Vendor: Red Hat Operating System: Red Hat Linux Linux Platform: N/A Impact: Denial of Service Access Required: Remote Ref: ESB-2000.166 - --------------------------BEGIN INCLUDED TEXT-------------------- - --------------------------------------------------------------------- Red Hat, Inc. Security Advisory Synopsis: BitchX denial of service vulnerability Advisory ID: RHSA-2000:042-01 Issue date: 2000-07-06 Updated on: 2000-07-06 Product: Red Hat Powertools Keywords: DoS Cross references: N/A - --------------------------------------------------------------------- 1. Topic: A denial of service vulnerability exists in BitchX. 2. Relevant releases/architectures: Red Hat Powertools 6.0 - i386, alpha, sparc Red Hat Powertools 6.1 - i386, alpha, sparc Red Hat Powertools 6.2 - i386, alpha, sparc 3. Problem description: A denial of service vulnerability exists in BitchX. Improper handling of incoming invitation messages can crash the client. Any user on IRC can send the client an invitation message that causes BitchX to segfault. 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. RPMs required: Red Hat Powertools 6.1: Red Hat Powertools 6.2: sparc: ftp://updates.redhat.com/powertools/6.2/sparc/BitchX-1.0c16-1.sparc.rpm alpha: ftp://updates.redhat.com/powertools/6.2/alpha/BitchX-1.0c16-1.alpha.rpm i386: ftp://updates.redhat.com/powertools/6.2/i386/BitchX-1.0c16-1.i386.rpm sources: ftp://updates.redhat.com/powertools/6.2/SRPMS/BitchX-1.0c16-1.src.rpm 7. Verification: MD5 sum Package Name - -------------------------------------------------------------------------- ea54ae7d29be2abeb4e0252ad2e5a040 6.2/SRPMS/BitchX-1.0c16-1.src.rpm 7c517589b963bbf9a42025cbd216fcdb 6.2/alpha/BitchX-1.0c16-1.alpha.rpm 93a409b68bdef05468a86bfdae2cb8d5 6.2/i386/BitchX-1.0c16-1.i386.rpm 2317c93fa3ed3a0ee0566ecd1c6d98ad 6.2/sparc/BitchX-1.0c16-1.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: Thanks to Colten Edwards <edwards@bitchx.dimension6.com> for making us aware of the problem. - --------------------------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 iQCVAwUBOXXT/Ch9+71yA2DNAQEXEwP/dgVKj2gQu0StpOV2y+AMl7ZAb5AqFp9y n5lkjPYOp5WCCEPznQLQvMSibJi9bBq9ze7+vq6U53+4tTI3eOpYsspiABlNrpj8 R+tKRxq18tDv0UY2HwER/RirnzOir18et99Oxw8EXbsLqB8v4OEDOWmVn9kNi/4j JWHX9lRV5Qg= =GLsN -----END PGP SIGNATURE-----