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CUPS: Arbitrary file read/write


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201404-01 / cups
Release Date April 07, 2014
Latest Revision April 07, 2014: 1
Impact normal
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
net-print/cups < 1.6.2-r5 >= 1.6.2-r5 All supported architectures

Related bugreports: #442926


A vulnerability in CUPS may allow for arbitrary file access.

2.  Impact Information


CUPS, the Common Unix Printing System, is a full-featured print server.


Members of the lpadmin group have admin access to the web interface, where they can edit the config file and set some “dangerous” directives (like the logfilenames), which enable them to read or write files as the user running the CUPS webserver.


A local attacker could possibly exploit this vulnerability to read or write files as the user running the CUPS webserver.

3.  Resolution Information


There is no known workaround at this time.


All CUPS users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-print/cups-1.6.2-r5"

4.  References


Page updated April 07, 2014

Summary: This is a Gentoo Linux Security Advisory

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