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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-1999.133 -- Microsoft Security Bulletin (MS99-034) Patch Available for "Fragmented IGMP Packet" Vulnerability 7 September 1999 =========================================================================== Microsoft Corporation has released the following security bulletin concerning a vulnerability in the TCP/IP stack implementations of Microsoft Windows 95/98 and NT 4.0. This vulnerability may allow fragmented IGMP packets to cause the system to slow down or crash, allowing remote denial of service attacks: http://www.microsoft.com/security/bulletins/ms99-034.asp =========================================================================== This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document referenced 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. If you have any questions or need further information, please contact Microsoft Corporation 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: firstname.lastname@example.org 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 iQCVAwUBN+dwFih9+71yA2DNAQGv1gP/S7MEJWWg6u++FcNSdGeEIFyPQiJ172p5 zBzaNTuBzop3H5Yr1wWXRZeJm54pW/Dvxfg2peGUVcbDknZDon4jjn2QOh6roZJP SRuzsNGcuSOCheSHToT+AYFQHpY9/XBmekX1P1reZn9SZHaqaXxidiSp9yPZuNmw KziwUmGaxGc= =5w8h -----END PGP SIGNATURE-----