=========================================================================== SCO Security Bulletin 99.13 2nd September 1999 Security vulnerability in the passthru drive --------------------------------------------------------------------------- I. Description A security vulnerability has been found in the passthru driver. II. Impact This patch fixes issues with the passthru driver that could lead to possible denial of service attacks. III. Releases This patch is for UnixWare 7.1.0 only. IV. Solution SCO is providing an interim patch to address this issue in the form of a System Security Enhancement (SSE) package. SSE031 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/sse031.ltr (cover letter, ASCII text) ftp://ftp.sco.COM/SSE/sse031.tar (new binaries, tar file) Compuserve: GO SCOFORUM, and search Library 11 (SLS/SSE Files) for these filenames: SSE031.LTR (cover letter, ASCII text) SSE031.TAZ (new binaries, tar file) Checksums (sum -r): 61329 4 sse031.ltr 39359 80 sse031.tar V. Updates This bulletin is available for anonymous ftp download from ftp://ftp.sco.COM/SSE/security_bulletins/SB-99.13a, 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)