CVE-2004-0362: Iss Blackice Agent Server

High severity, CVSS 7.5. EPSS: 73.3% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in the ICQ parsing routines of the ISS Protocol Analysis Module (PAM) component, as used in various RealSecure, Proventia, and BlackICE products, allow remote attackers to execute arbitrary code via a SRV_MULTI response containing a SRV_USER_ONLINE response packet and a SRV_META_USER response packet with long (1) nickname, (2) firstname, (3) lastname, or (4) email address fields, as exploited by the Witty worm.

Affected products

  • Iss Blackice Agent Server: version 3.6ebz only; version 3.6eca only; version 3.6ecb only; version 3.6ecc only; version 3.6ecd only; version 3.6ece only; …
  • Iss Blackice Pc Protection: version 3.6cbz only; version 3.6cca only; version 3.6ccb only; version 3.6ccc only; version 3.6ccd only; version 3.6cce only; …
  • Iss Blackice Server Protection: version 3.6cbz only; version 3.6cca only; version 3.6ccb only; version 3.6ccc only; version 3.6ccd only; version 3.6cce only; …
  • Iss Proventia A Series Xpu: version 20.11 only; version 22.1 only; version 22.2 only; version 22.3 only; version 22.4 only; version 22.5 only; …
  • Iss Proventia G Series Xpu: version 22.1 only; version 22.2 only; version 22.3 only; version 22.4 only; version 22.5 only; version 22.6 only; …
  • Iss Proventia M Series Xpu: version 1.1 only; version 1.2 only; version 1.3 only; version 1.4 only; version 1.5 only; version 1.6 only; …
  • Iss Realsecure Desktop: version 3.6ebz only; version 3.6eca only; version 3.6ecb only; version 3.6ecd only; version 3.6ece only; version 3.6ecf only; …
  • Iss Realsecure Guard: version 3.6ebz only; version 3.6eca only; version 3.6ecb only; version 3.6ecc only; version 3.6ecd only; version 3.6ece only; …
  • Iss Realsecure Network Sensor: version 7.0 only
  • Iss Realsecure Sentry: version 3.6ebz only; version 3.6eca only; version 3.6ecb only; version 3.6ecc only; version 3.6ecd only; version 3.6ece only; …
  • Iss Realsecure Server Sensor: version 6.0 only; version 6.0.1 only; version 6.0.1_win_sr1.1 only; version 6.5 only; version 6.5_win_sr3.1 only; version 6.5_win_sr3.4 only; …

Published 2004-04-15. Last modified 2026-06-16.