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Vulnerability Note VU#638011HP-UX Line Printer Daemon Vulnerable to Directory TraversalOverviewA remotely exploitable directory traversal vulnerability exists in the HP-UX line printer daemon.I. DescriptionThe line printer daemon (rlpdaemon) enables various clients to share printers over a network. By sending a specially crafted print request to an HP-UX host running the rlpdaemon, a local or remote attacker can create arbitrary files or directories on the target host. Intruders may find this vulnerability attractive to exploit because the line printer daemon is enabled by default to provide printing services.II. ImpactAn attacker may be able to execute arbitrary code on the target system with the privileges of the line printer daemon, typically superuser.III. SolutionContact HP for patches.Workaround
References
This vulnerability was discovered and researched by Mark Dowd and Kris Hunt of Internet Security Systems (ISS). The CERT/CC thanks ISS for the information contained in their advisory. This document was written by Ian A. Finlay.
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