Published:
20 May 1999
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-1999.064 -- MS99-016 Security Bulletin Patch Available for "Malformed Phonebook Entry" Vulnerability 21 May 1999 =========================================================================== Microsoft Corporation has released the following security bulletin concerning a buffer overrun vulnerability in the Microsoft Windows NT remote access service (RAS) client. This vulnerability could allow a denial-of-service attack to be mounted against the client machine or, under certain conditions, could allow arbitrary code to be executed on that machine. The attacker must have permission to add or modify phonebook entries in order to mount the attack (Permissions can be set via the phonebook's ACL). This vulnerability affects RAS clients not servers: http://www.microsoft.com/security/bulletins/ms99-016.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: 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 iQCVAwUBN0WA4Sh9+71yA2DNAQGe3wP+K/1N2w9SDPIR8PxMSz1u5e5Tft4tqrKf F/G47PTgroRgXXFD0FWake5GIfWXcCK+/eTJopub41hp1UviQ1W/Eyv/HTOSUg9r clNXp0kBRXqLJqoZIJZlbhAOvXdZnD5LJrzZNUHDnFFqTjN2uLZvIO8lwwIc7Lug MaTglfvIKiY= =giLw -----END PGP SIGNATURE-----