CVE-1999-1062

CVE-1999-1062 affects HP LaserJet printers with JetDirect network cards configured for TCP/IP. The root issue is that remote attackers can bypass print filters by directly sending PostScript to TCP ports 9099 and 9100, potentially enabling unauthenticated printing or misuse of the printer. The co...

HP LaserJet Direct Print Filter Bypass

By connecting to this port directly, a remote attacker can send Postscript directly to the remote printer, bypassing lpd and page accounting. This is a threat, because an attacker may connect to this printer, force it to print pages of garbage, and make it run out of paper. If this printer is use...