Multiple buffer overflows in LGSERVER.EXE in CA BrightStor ARCserve Backup for Laptops and Desktops r11.0 through r11.1 SP1, Mobile Backup r4.0, Desktop and Business Protection Suite r2, and Desktop Management Suite (DMS) r11.0 and r11.1 allow remote attackers to execute arbitrary code via crafted packets to TCP port (1) 1900 or (2) 2200.