CVE-2006-5143: Broadcom Brightstor Arcserve Backup

High severity, CVSS 7.5. EPSS: 79.5% chance of exploitation in the next 30 days.

Multiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute arbitrary code via crafted data on TCP port 6071 to the Backup Agent RPC Server (DBASVR.exe) using the RPC routines with opcode (1) 0x01, (2) 0x02, or (3) 0x18; invalid stub data on TCP port 6503 to the RPC routines with opcode (4) 0x2b or (5) 0x2d in ASCORE.dll in the Message Engine RPC Server (msgeng.exe); (6) a long hostname on TCP port 41523 to ASBRDCST.DLL in the Discovery Service (casdscsvc.exe); or unspecified vectors related to the (7) Job Engine Service.

Affected products

• Broadcom Brightstor Arcserve Backup: up to and including 11.5; version 9.01 only; version 11.1 only
• Broadcom Brightstor Enterprise Backup: version 10.5 only
• Broadcom Business Protection Suite: version 2.0 only
• Broadcom Server Protection Suite: version 2 only
• Ca Brightstor Arcserve Backup: version 11 only

Published 2006-10-10. Last modified 2026-06-16.