CUPS: Denial of service vulnerability

CUPS: Denial of service vulnerability A vulnerability in CUPS allows remote attackers to cause a denial of service when sending a carefully-crafted UDP packet to the IPP port. CUPS 2004-09-20 2004-09-21 64168 remote 1.1.20-r2 1.1.20-r2

The Common UNIX Printing System (CUPS) is a cross-platform print spooler.

Alvaro Martinez Echevarria discovered a hole in the CUPS Internet Printing Protocol (IPP) implementation that allows remote attackers to cause CUPS to stop listening on the IPP port.

A remote user with malicious intent can easily cause a denial of service to the CUPS daemon by sending a specially-crafted UDP datagram packet to the IPP port.

There is no known workaround at this time.

All CUPS users should upgrade to the latest version:


    # emerge sync

    # emerge -pv ">=net-print/cups-1.1.20-r2"
    # emerge ">=net-print/cups-1.1.20-r2"

CUPS Software Trouble Report CAN-2004-0558 lewk lewk lewk