=========================================================================== SCO Security Bulletin 99.01 January 27th, 1999 Security Vulnerability in bootpd --------------------------------------------------------------------------- I. Description A security vulnerability has been discovered in bootpd. II. Impact These vulnerabilities could allow remote users to gain root access. Exploit details for some of the vulnerability have been published, so we recommend that the patch decribed below is installed on all multi-user systems as soon as possible. III. Releases This problem exists on the following releases of SCO operating systems: - SCO UnixWare 7, 7.01 - SCO OpenServer 5.04 and earlier releases (also Internet FastStart) - SCO Open Desktop/Open Server 3 (also TCP/IP 1.2.1) IV. Solution SCO is providing an interim patch to address this issue in the form of a System Security Enhancement (SSE) package. SSE018 contains replacement binaries for each system type, and is available for Internet download via anonymous ftp, and from the SCOFORUM on Compuserve. You can download the SSE package as follows: Anonymous ftp (World Wide Web URL): ftp://ftp.sco.COM/SSE/sse018.ltr (cover letter, ASCII text) ftp://ftp.sco.COM/SSE/sse018.tar.Z (new binaries, compressed tar file) Compuserve: GO SCOFORUM, and search Library 11 (SLS/SSE Files) for these filenames: SSE018.LTR (cover letter, ASCII text) SSE018.TAZ (new binaries, compressed tar file) Checksums (sum -r): 03397 5 sse018.ltr 09381 325 sse018.tar.Z V. Updates This bulletin is available for anonymous ftp download from ftp://ftp.sco.COM/SSE/security_bulletins/SB-99.01a, and will be updated as new information becomes available. The latest information on security vulnerabilities and fixes from SCO is available on the world-wide web at http://www.sco.com/security/ VI. Further Information: If you have further questions, contact your support provider. If you need to contact SCO, please send electronic mail to support@sco.COM, or contact SCO as follows. USA/Canada: 6am-5pm Pacific Time (PST/PDT) ----------- 1-800-347-4381 (voice) 1-408-427-5443 (fax) Pacific Rim, Asia, and Latin American customers: 6am-5pm Pacific ------------------------------------------------ Time (PST/PDT) 1-408-425-4726 (voice) 1-408-427-5443 (fax) Europe, Middle East, Africa: 9am-5:30pm UK Time (GMT/BST) ---------------------------- +44 (0)1923 816344 (voice) +44 (0)1923 817781 (fax)